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676474581 = 3437173859
BaseRepresentation
bin101000010100100…
…010111011010101
31202010220110200010
4220110202323111
52341134141311
6151043110433
722522640046
oct5024427325
91663813603
10676474581
11317941402
1216a672419
13aa1c3423
1465bb28cd
153e5c6da6
hex28522ed5

676474581 has 16 divisors (see below), whose sum is σ = 935953920. Its totient is φ = 434285040.

The previous prime is 676474577. The next prime is 676474583. The reversal of 676474581 is 185474676.

It is not a de Polignac number, because 676474581 - 22 = 676474577 is a prime.

It is a super-2 number, since 2×6764745812 = 915235717478251122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 676474581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676474583) 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, 27771 + ... + 46088.

It is an arithmetic number, because the mean of its divisors is an integer number (58497120).

Almost surely, 2676474581 is an apocalyptic number.

It is an amenable number.

676474581 is a deficient number, since it is larger than the sum of its proper divisors (259479339).

676474581 is a wasteful number, since it uses less digits than its factorization.

676474581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73976.

The product of its digits is 1128960, while the sum is 48.

The square root of 676474581 is about 26009.1249564456. The cubic root of 676474581 is about 877.8436274010.

The spelling of 676474581 in words is "six hundred seventy-six million, four hundred seventy-four thousand, five hundred eighty-one".

Divisors: 1 3 43 71 129 213 3053 9159 73859 221577 3175937 5243989 9527811 15731967 225491527 676474581