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3750725 = 521123593
BaseRepresentation
bin1110010011101101000101
321001120000202
432103231011
51430010400
6212220245
743611026
oct16235505
97046022
103750725
112131a80
12130a685
13a14284
146d8c4d
154e14d5
hex393b45

3750725 has 24 divisors (see below), whose sum is σ = 5303232. Its totient is φ = 2604800.

The previous prime is 3750701. The next prime is 3750731. The reversal of 3750725 is 5270573.

It is a de Polignac number, because none of the positive numbers 2k-3750725 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6029 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

Almost surely, 23750725 is an apocalyptic number.

It is an amenable number.

3750725 is a deficient number, since it is larger than the sum of its proper divisors (1552507).

3750725 is a wasteful number, since it uses less digits than its factorization.

3750725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 3750725 is about 1936.6788582519. The cubic root of 3750725 is about 155.3716368462.

The spelling of 3750725 in words is "three million, seven hundred fifty thousand, seven hundred twenty-five".

Divisors: 1 5 11 23 25 55 115 253 275 575 593 1265 2965 6325 6523 13639 14825 32615 68195 150029 163075 340975 750145 3750725