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204070893 = 31349110657
BaseRepresentation
bin11000010100111…
…01111111101101
3112012222212122020
430022131333231
5404220232033
632125540353
75025400605
oct1412357755
9465885566
10204070893
11a5213534
12584146b9
1333381210
141d161c05
1512db06b3
hexc29dfed

204070893 has 16 divisors (see below), whose sum is σ = 293649216. Its totient is φ = 125314560.

The previous prime is 204070891. The next prime is 204070897. The reversal of 204070893 is 398070402.

It is not a de Polignac number, because 204070893 - 21 = 204070891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204070891) 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, 13821 + ... + 24477.

It is an arithmetic number, because the mean of its divisors is an integer number (18353076).

Almost surely, 2204070893 is an apocalyptic number.

It is an amenable number.

204070893 is a deficient number, since it is larger than the sum of its proper divisors (89578323).

204070893 is a wasteful number, since it uses less digits than its factorization.

204070893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 204070893 is about 14285.3383929118. The cubic root of 204070893 is about 588.7447150413.

The spelling of 204070893 in words is "two hundred four million, seventy thousand, eight hundred ninety-three".

Divisors: 1 3 13 39 491 1473 6383 10657 19149 31971 138541 415623 5232587 15697761 68023631 204070893