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132907920 = 24351015483
BaseRepresentation
bin1111110110000…
…00001110010000
3100021002102101120
413323000032100
5233011023140
621104402240
73202461435
oct773001620
9307072346
10132907920
1169028762
1238616380
13216c6252
1413919b8c
15ba051d0
hex7ec0390

132907920 has 80 divisors (see below), whose sum is σ = 416169792. Its totient is φ = 35084800.

The previous prime is 132907919. The next prime is 132907933. The reversal of 132907920 is 29709231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1329079203 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21499 + ... + 26981.

Almost surely, 2132907920 is an apocalyptic number.

132907920 is a gapful number since it is divisible by the number (10) 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 132907920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208084896).

132907920 is an abundant number, since it is smaller than the sum of its proper divisors (283261872).

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

132907920 is a wasteful number, since it uses less digits than its factorization.

132907920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600 (or 5594 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 132907920 is about 11528.5697291555. The cubic root of 132907920 is about 510.3290456359.

The spelling of 132907920 in words is "one hundred thirty-two million, nine hundred seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 101 120 202 240 303 404 505 606 808 1010 1212 1515 1616 2020 2424 3030 4040 4848 5483 6060 8080 10966 12120 16449 21932 24240 27415 32898 43864 54830 65796 82245 87728 109660 131592 164490 219320 263184 328980 438640 553783 657960 1107566 1315920 1661349 2215132 2768915 3322698 4430264 5537830 6645396 8306745 8860528 11075660 13290792 16613490 22151320 26581584 33226980 44302640 66453960 132907920