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3457953021 = 31378413511
BaseRepresentation
bin1100111000011100…
…0010110011111101
322220222202012210010
43032013002303331
524040213444041
61331043533433
7151456054455
oct31607026375
98828665703
103457953021
111514a19316
1280608a279
13431537163
1424b374d65
151538a3a16
hexce1c2cfd

3457953021 has 8 divisors (see below), whose sum is σ = 4644258624. Its totient is φ = 2288474720.

The previous prime is 3457952999. The next prime is 3457953047. The reversal of 3457953021 is 1203597543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3457953021 - 26 = 3457952957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457953061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206345 + ... + 4207166.

It is an arithmetic number, because the mean of its divisors is an integer number (580532328).

Almost surely, 23457953021 is an apocalyptic number.

It is an amenable number.

3457953021 is a deficient number, since it is larger than the sum of its proper divisors (1186305603).

3457953021 is a wasteful number, since it uses less digits than its factorization.

3457953021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413651.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 3457953021 is about 58804.3622616554. The cubic root of 3457953021 is about 1512.1900039596.

The spelling of 3457953021 in words is "three billion, four hundred fifty-seven million, nine hundred fifty-three thousand, twenty-one".

Divisors: 1 3 137 411 8413511 25240533 1152651007 3457953021