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202694401 = 7139722963
BaseRepresentation
bin11000001010011…
…01111100000001
3112010101221110001
430011031330001
5403342210101
632040240001
75010605530
oct1405157401
9463357401
10202694401
11a4463338
1257a70001
1332cbb820
141ccc4317
1512bdc901
hexc14df01

202694401 has 16 divisors (see below), whose sum is σ = 252052864. Its totient is φ = 158713344.

The previous prime is 202694353. The next prime is 202694411. The reversal of 202694401 is 104496202.

It is a cyclic number.

It is not a de Polignac number, because 202694401 - 219 = 202170113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202694401.

It is not an unprimeable number, because it can be changed into a prime (202694411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655 + ... + 20308.

It is an arithmetic number, because the mean of its divisors is an integer number (15753304).

Almost surely, 2202694401 is an apocalyptic number.

It is an amenable number.

202694401 is a deficient number, since it is larger than the sum of its proper divisors (49358463).

202694401 is a wasteful number, since it uses less digits than its factorization.

202694401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 202694401 is about 14237.0783870849. The cubic root of 202694401 is about 587.4180006878.

The spelling of 202694401 in words is "two hundred two million, six hundred ninety-four thousand, four hundred one".

Divisors: 1 7 13 91 97 679 1261 8827 22963 160741 298519 2089633 2227411 15591877 28956343 202694401