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158100552 = 23331017247
BaseRepresentation
bin10010110110001…
…10110001001000
3102000111100012000
421123012301020
5310433204202
623404351000
73626555361
oct1133066110
9360440160
10158100552
1181275315
1244b45460
13269a702c
1416dd6b68
15dd2e91c
hex96c6c48

158100552 has 64 divisors (see below), whose sum is σ = 443577600. Its totient is φ = 52171200.

The previous prime is 158100541. The next prime is 158100559. The reversal of 158100552 is 255001851.

158100552 is a `hidden beast` number, since 1 + 5 + 8 + 100 + 552 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (158100559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18193 + ... + 25439.

It is an arithmetic number, because the mean of its divisors is an integer number (6930900).

Almost surely, 2158100552 is an apocalyptic number.

158100552 is a gapful number since it is divisible by the number (12) 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 158100552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221788800).

158100552 is an abundant number, since it is smaller than the sum of its proper divisors (285477048).

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

158100552 is a wasteful number, since it uses less digits than its factorization.

158100552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363 (or 7353 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 158100552 is about 12573.8041976166. The cubic root of 158100552 is about 540.7266759971.

The spelling of 158100552 in words is "one hundred fifty-eight million, one hundred thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 101 108 202 216 303 404 606 808 909 1212 1818 2424 2727 3636 5454 7247 7272 10908 14494 21741 21816 28988 43482 57976 65223 86964 130446 173928 195669 260892 391338 521784 731947 782676 1463894 1565352 2195841 2927788 4391682 5855576 6587523 8783364 13175046 17566728 19762569 26350092 39525138 52700184 79050276 158100552