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890625 = 35619
BaseRepresentation
bin11011001011100000001
31200020201010
43121130001
5212000000
631031133
710366401
oct3313401
91606633
10890625
1155915a
1236b4a9
132524c8
14192801
15128d50
hexd9701

890625 has 28 divisors (see below), whose sum is σ = 1562480. Its totient is φ = 450000.

The previous prime is 890609. The next prime is 890653. The reversal of 890625 is 526098.

It is an automorphic number since its square, 793212890625, ends in 890625.

It is a trimorphic number since its cube, 706455230712890625, ends in 890625.

It is not a de Polignac number, because 890625 - 24 = 890609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890592 and 890601.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46866 + ... + 46884.

2890625 is an apocalyptic number.

It is an amenable number.

890625 is a deficient number, since it is larger than the sum of its proper divisors (671855).

890625 is an frugal number, since it uses more digits than its factorization.

890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 890625 is about 943.7293044088. The cubic root of 890625 is about 96.2125282819.

The spelling of 890625 in words is "eight hundred ninety thousand, six hundred twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 125 285 375 475 625 1425 1875 2375 3125 7125 9375 11875 15625 35625 46875 59375 178125 296875 890625