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42141372 = 223721337149
BaseRepresentation
bin1010000011000…
…0011010111100
32221022000002120
42200300122330
541242010442
64103122540
71021124100
oct240603274
987260076
1042141372
1121873489
1212143450
138966430
14584d900
153a764ec
hex28306bc

42141372 has 144 divisors (see below), whose sum is σ = 127360800. Its totient is φ = 10741248.

The previous prime is 42141353. The next prime is 42141377. The reversal of 42141372 is 27314124.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282754 + ... + 282902.

It is an arithmetic number, because the mean of its divisors is an integer number (884450).

Almost surely, 242141372 is an apocalyptic number.

42141372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42141372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63680400).

42141372 is an abundant number, since it is smaller than the sum of its proper divisors (85219428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42141372 is a wasteful number, since it uses less digits than its factorization.

42141372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 211 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 42141372 is about 6491.6386221046. The cubic root of 42141372 is about 347.9922379032.

Adding to 42141372 its reverse (27314124), we get a palindrome (69455496).

The spelling of 42141372 in words is "forty-two million, one hundred forty-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 37 39 42 49 52 74 78 84 91 98 111 147 148 149 156 182 196 222 259 273 294 298 364 444 447 481 518 546 588 596 637 777 894 962 1036 1043 1092 1274 1443 1554 1788 1813 1911 1924 1937 2086 2548 2886 3108 3129 3367 3626 3822 3874 4172 5439 5513 5772 5811 6258 6734 7252 7301 7644 7748 10101 10878 11026 11622 12516 13468 13559 14602 16539 20202 21756 21903 22052 23244 23569 27118 29204 33078 38591 40404 40677 43806 47138 54236 66156 70707 71669 77182 81354 87612 94276 94913 115773 141414 143338 154364 162708 189826 215007 231546 270137 282828 284739 286676 379652 430014 463092 501683 540274 569478 810411 860028 1003366 1080548 1138956 1505049 1620822 2006732 3010098 3241644 3511781 6020196 7023562 10535343 14047124 21070686 42141372