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3540634631 = 5367997081
BaseRepresentation
bin1101001100001001…
…1100110000000111
3100010202022212121222
43103002130300013
524222400302011
61343200030555
7153511616642
oct32302346007
910122285558
103540634631
111557661226
1282990245b
134456c5ca1
14258338a59
1515ac86ddb
hexd309cc07

3540634631 has 8 divisors (see below), whose sum is σ = 3661285104. Its totient is φ = 3421978560.

The previous prime is 3540634627. The next prime is 3540634633. The reversal of 3540634631 is 1364360453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3540634631 - 22 = 3540634627 is a prime.

It is a super-2 number, since 2×35406346312 = 25072187180473012322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3540634591 and 3540634600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540634633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494990 + ... + 502091.

It is an arithmetic number, because the mean of its divisors is an integer number (457660638).

Almost surely, 23540634631 is an apocalyptic number.

3540634631 is a deficient number, since it is larger than the sum of its proper divisors (120650473).

3540634631 is an equidigital number, since it uses as much as digits as its factorization.

3540634631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997201.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 3540634631 is about 59503.2321054915. The cubic root of 3540634631 is about 1524.1476388487.

The spelling of 3540634631 in words is "three billion, five hundred forty million, six hundred thirty-four thousand, six hundred thirty-one".

Divisors: 1 53 67 3551 997081 52845293 66804427 3540634631