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672427528 = 23731151417
BaseRepresentation
bin101000000101000…
…110111000001000
31201212021212011021
4220011012320020
52334120140103
6150420242224
722443353053
oct5005067010
91655255137
10672427528
11315627833
12169240374
13a9407316
146543ba9a
153e077bbd
hex28146e08

672427528 has 16 divisors (see below), whose sum is σ = 1278073980. Its totient is φ = 331607808.

The previous prime is 672427523. The next prime is 672427531. The reversal of 672427528 is 825724276.

It can be written as a sum of positive squares in 2 ways, for example, as 614940804 + 57486724 = 24798^2 + 7582^2 .

It is not an unprimeable number, because it can be changed into a prime (672427523) 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, 575125 + ... + 576292.

Almost surely, 2672427528 is an apocalyptic number.

It is an amenable number.

672427528 is a deficient number, since it is larger than the sum of its proper divisors (605646452).

672427528 is a wasteful number, since it uses less digits than its factorization.

672427528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151496 (or 1151492 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 672427528 is about 25931.2076078227. The cubic root of 672427528 is about 876.0895393001.

The spelling of 672427528 in words is "six hundred seventy-two million, four hundred twenty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 73 146 292 584 1151417 2302834 4605668 9211336 84053441 168106882 336213764 672427528