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132944025 = 3522377069
BaseRepresentation
bin1111110110010…
…01000010011001
3100021011020220210
413323021002121
5233013202100
621105241333
73203001624
oct773110231
9307136823
10132944025
11690528a5
1238633249
1321709806
1413928dbb
15ba10c50
hex7ec9099

132944025 has 24 divisors (see below), whose sum is σ = 229360320. Its totient is φ = 67819840.

The previous prime is 132944011. The next prime is 132944039. The reversal of 132944025 is 520449231.

It is an interprime number because it is at equal distance from previous prime (132944011) and next prime (132944039).

It is not a de Polignac number, because 132944025 - 216 = 132878489 is a prime.

It is a super-2 number, since 2×1329440252 = 35348227566401250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132943983 and 132944001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36810 + ... + 40259.

It is an arithmetic number, because the mean of its divisors is an integer number (9556680).

Almost surely, 2132944025 is an apocalyptic number.

132944025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132944025 is a deficient number, since it is larger than the sum of its proper divisors (96416295).

132944025 is a wasteful number, since it uses less digits than its factorization.

132944025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77105 (or 77100 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 132944025 is about 11530.1355152487. The cubic root of 132944025 is about 510.3752524684.

It can be divided in two parts, 1329 and 44025, that added together give a palindrome (45354).

The spelling of 132944025 in words is "one hundred thirty-two million, nine hundred forty-four thousand, twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 77069 231207 385345 1156035 1772587 1926725 5317761 5780175 8862935 26588805 44314675 132944025