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141022242 = 233171491031
BaseRepresentation
bin10000110011111…
…01010000100010
3100211100200011000
420121331100202
5242100202432
621554332430
73331445364
oct1031752042
9324320130
10141022242
1172670109
123b28a116
13232a771a
1414a2cd34
15c5a957c
hex867d422

141022242 has 64 divisors (see below), whose sum is σ = 334368000. Its totient is φ = 43902720.

The previous prime is 141022201. The next prime is 141022249. The reversal of 141022242 is 242220141.

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

It is not an unprimeable number, because it can be changed into a prime (141022249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136267 + ... + 137297.

It is an arithmetic number, because the mean of its divisors is an integer number (5224500).

Almost surely, 2141022242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141022242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167184000).

141022242 is an abundant number, since it is smaller than the sum of its proper divisors (193345758).

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

141022242 is a wasteful number, since it uses less digits than its factorization.

141022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 141022242 is about 11875.2786072580. The cubic root of 141022242 is about 520.5101526975.

Adding to 141022242 its reverse (242220141), we get a palindrome (383242383).

The spelling of 141022242 in words is "one hundred forty-one million, twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 149 153 298 306 447 459 894 918 1031 1341 2062 2533 2682 3093 4023 5066 6186 7599 8046 9279 15198 17527 18558 22797 27837 35054 45594 52581 55674 68391 105162 136782 153619 157743 307238 315486 460857 473229 921714 946458 1382571 2611523 2765142 4147713 5223046 7834569 8295426 15669138 23503707 47007414 70511121 141022242