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387252732 = 22332271061
BaseRepresentation
bin10111000101010…
…000000111111100
3222222200110212210
4113011100013330
51243114041412
6102232100420
712411410466
oct2705200774
9888613783
10387252732
11189659789
12a9834710
13622ca439
1439607136
1523ee683c
hex171501fc

387252732 has 12 divisors (see below), whose sum is σ = 903589736. Its totient is φ = 129084240.

The previous prime is 387252727. The next prime is 387252739. The reversal of 387252732 is 237252783.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387252739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16135519 + ... + 16135542.

Almost surely, 2387252732 is an apocalyptic number.

It is an amenable number.

387252732 is an abundant number, since it is smaller than the sum of its proper divisors (516337004).

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

387252732 is a wasteful number, since it uses less digits than its factorization.

387252732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32271068 (or 32271066 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 387252732 is about 19678.7380692970. The cubic root of 387252732 is about 728.8947633451.

The spelling of 387252732 in words is "three hundred eighty-seven million, two hundred fifty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 32271061 64542122 96813183 129084244 193626366 387252732