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3956357 = 13928463
BaseRepresentation
bin1111000101111010000101
321110000002202
433011322011
52003100412
6220444245
745425366
oct17057205
97400082
103956357
112262519
1213a9685
13a86a52
1474db6d
155323c2
hex3c5e85

3956357 has 4 divisors (see below), whose sum is σ = 3984960. Its totient is φ = 3927756.

The previous prime is 3956353. The next prime is 3956401. The reversal of 3956357 is 7536593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3956357 - 22 = 3956353 is a prime.

It is a super-2 number, since 2×39563572 = 31305521422898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3956357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956353) 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, 14093 + ... + 14370.

It is an arithmetic number, because the mean of its divisors is an integer number (996240).

Almost surely, 23956357 is an apocalyptic number.

It is an amenable number.

3956357 is a deficient number, since it is larger than the sum of its proper divisors (28603).

3956357 is a wasteful number, since it uses less digits than its factorization.

3956357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28602.

The product of its digits is 85050, while the sum is 38.

The square root of 3956357 is about 1989.0593254099. The cubic root of 3956357 is about 158.1606681607.

The spelling of 3956357 in words is "three million, nine hundred fifty-six thousand, three hundred fifty-seven".

Divisors: 1 139 28463 3956357