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132638070 = 23515232903
BaseRepresentation
bin1111110011111…
…10010101110110
3100020120201020010
413321332111312
5232423404240
621054521050
73200255625
oct771762566
9306521203
10132638070
1168963a44
1238506186
1321630486
14138896bc
15b9a0280
hex7e7e576

132638070 has 32 divisors (see below), whose sum is σ = 318650112. Its totient is φ = 35334752.

The previous prime is 132638059. The next prime is 132638071. The reversal of 132638070 is 70836231.

It is a super-2 number, since 2×1326380702 = 35185715226649800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132638071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44239 + ... + 47141.

It is an arithmetic number, because the mean of its divisors is an integer number (9957816).

Almost surely, 2132638070 is an apocalyptic number.

132638070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132638070 is an abundant number, since it is smaller than the sum of its proper divisors (186012042).

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

132638070 is a wasteful number, since it uses less digits than its factorization.

132638070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 132638070 is about 11516.8602492172. The cubic root of 132638070 is about 509.9834289118.

The spelling of 132638070 in words is "one hundred thirty-two million, six hundred thirty-eight thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 1523 2903 3046 4569 5806 7615 8709 9138 14515 15230 17418 22845 29030 43545 45690 87090 4421269 8842538 13263807 22106345 26527614 44212690 66319035 132638070