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3972575 = 521311213
BaseRepresentation
bin1111001001110111011111
321110211100102
433021313133
52004110300
6221051315
745523565
oct17116737
97424312
103972575
112273722
1213b6b3b
13a91249
14755a35
155370d5
hex3c9ddf

3972575 has 12 divisors (see below), whose sum is σ = 4967688. Its totient is φ = 3151200.

The previous prime is 3972569. The next prime is 3972593. The reversal of 3972575 is 5752793.

3972575 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 3972575 - 218 = 3710431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2669 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (413974).

Almost surely, 23972575 is an apocalyptic number.

3972575 is a deficient number, since it is larger than the sum of its proper divisors (995113).

3972575 is a wasteful number, since it uses less digits than its factorization.

3972575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1349 counting only the distinct ones).

The product of its digits is 66150, while the sum is 38.

The square root of 3972575 is about 1993.1319574980. The cubic root of 3972575 is about 158.3764856220.

The spelling of 3972575 in words is "three million, nine hundred seventy-two thousand, five hundred seventy-five".

Divisors: 1 5 25 131 655 1213 3275 6065 30325 158903 794515 3972575