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3625007 = 233972
BaseRepresentation
bin1101110101000000101111
320211011120112
431311000233
51412000012
6205410235
742545351
oct15650057
96734515
103625007
112056581
12126997b
1399bc99
146a50d1
154b9122
hex37502f

3625007 has 6 divisors (see below), whose sum is σ = 3792168. Its totient is φ = 3458664.

The previous prime is 3625003. The next prime is 3625031. The reversal of 3625007 is 7005263.

It is not a de Polignac number, because 3625007 - 22 = 3625003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8933 + ... + 9329.

It is an arithmetic number, because the mean of its divisors is an integer number (632028).

Almost surely, 23625007 is an apocalyptic number.

3625007 is a deficient number, since it is larger than the sum of its proper divisors (167161).

3625007 is an frugal number, since it uses more digits than its factorization.

3625007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3625007 is about 1903.9451147551. The cubic root of 3625007 is about 153.6159401634.

Multiplying 3625007 by its sum of digits (23), we get a square (83375161 = 91312).

3625007 divided by its sum of digits (23) gives a square (157609 = 3972).

The spelling of 3625007 in words is "three million, six hundred twenty-five thousand, seven".

Divisors: 1 23 397 9131 157609 3625007