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675961 = 111329163
BaseRepresentation
bin10100101000001111001
31021100020121
42211001321
5133112321
622253241
75513506
oct2450171
91240217
10675961
11421950
12287221
131a88a0
141384ad
15d5441
hexa5079

675961 has 16 divisors (see below), whose sum is σ = 826560. Its totient is φ = 544320.

The previous prime is 675959. The next prime is 675973. The reversal of 675961 is 169576.

It is a cyclic number.

It is not a de Polignac number, because 675961 - 21 = 675959 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675931) 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, 4066 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (51660).

2675961 is an apocalyptic number.

It is an amenable number.

675961 is a deficient number, since it is larger than the sum of its proper divisors (150599).

675961 is a wasteful number, since it uses less digits than its factorization.

675961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its digits is 11340, while the sum is 34.

The square root of 675961 is about 822.1684742192. The cubic root of 675961 is about 87.7621417549.

The spelling of 675961 in words is "six hundred seventy-five thousand, nine hundred sixty-one".

Divisors: 1 11 13 29 143 163 319 377 1793 2119 4147 4727 23309 51997 61451 675961