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3705325 = 52132877
BaseRepresentation
bin1110001000100111101101
320222020202021
432020213231
51422032300
6211230141
743331461
oct16104755
96866667
103705325
112100958
1212a8351
139c9700
146c64a1
154d2d1a
hex3889ed

3705325 has 18 divisors (see below), whose sum is σ = 4980894. Its totient is φ = 2733120.

The previous prime is 3705311. The next prime is 3705329. The reversal of 3705325 is 5235073.

It can be written as a sum of positive squares in 9 ways, for example, as 1671849 + 2033476 = 1293^2 + 1426^2 .

It is not a de Polignac number, because 3705325 - 27 = 3705197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

3705325 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3705325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3787 + ... + 4663.

Almost surely, 23705325 is an apocalyptic number.

It is an amenable number.

3705325 is a deficient number, since it is larger than the sum of its proper divisors (1275569).

3705325 is a wasteful number, since it uses less digits than its factorization.

3705325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 3705325 is about 1924.9220763449. The cubic root of 3705325 is about 154.7422006660.

The spelling of 3705325 in words is "three million, seven hundred five thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 877 4225 4385 11401 21925 57005 148213 285025 741065 3705325