Search a number
-
+
4742100 = 22325211479
BaseRepresentation
bin10010000101101111010100
322220220221100
4102011233110
52203221400
6245350100
755210236
oct22055724
98826840
104742100
1127498a0
121708330
13ca059c
148b6256
1563a100
hex485bd4

4742100 has 108 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 1147200.

The previous prime is 4742081. The next prime is 4742107. The reversal of 4742100 is 12474.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742107) 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 35 ways as a sum of consecutive naturals, for example, 9661 + ... + 10139.

Almost surely, 24742100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4742100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8124480).

4742100 is an abundant number, since it is smaller than the sum of its proper divisors (11506860).

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

4742100 is a wasteful number, since it uses less digits than its factorization.

4742100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4742100 is about 2177.6363332751. The cubic root of 4742100 is about 168.0055270290.

Adding to 4742100 its reverse (12474), we get a palindrome (4754574).

The spelling of 4742100 in words is "four million, seven hundred forty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 132 150 165 180 198 220 225 275 300 330 396 450 479 495 550 660 825 900 958 990 1100 1437 1650 1916 1980 2395 2475 2874 3300 4311 4790 4950 5269 5748 7185 8622 9580 9900 10538 11975 14370 15807 17244 21076 21555 23950 26345 28740 31614 35925 43110 47421 47900 52690 63228 71850 79035 86220 94842 105380 107775 131725 143700 158070 189684 215550 237105 263450 316140 395175 431100 474210 526900 790350 948420 1185525 1580700 2371050 4742100