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1052932621 = 13174764401
BaseRepresentation
bin111110110000100…
…111101000001101
32201101021112000111
4332300213220031
54124022320441
6252252000021
735043531256
oct7660475015
92641245014
101052932621
114a0397954
12254760011
1313a1b1370
149dba9b2d
156268a081
hex3ec27a0d

1052932621 has 8 divisors (see below), whose sum is σ = 1200629304. Its totient is φ = 914764800.

The previous prime is 1052932561. The next prime is 1052932649. The reversal of 1052932621 is 1262392501.

It can be written as a sum of positive squares in 4 ways, for example, as 32832900 + 1020099721 = 5730^2 + 31939^2 .

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 1052932621 - 211 = 1052930573 is a prime.

It is a super-2 number, since 2×10529326212 = 2217334208731859282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052132621) 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, 2381980 + ... + 2382421.

It is an arithmetic number, because the mean of its divisors is an integer number (150078663).

Almost surely, 21052932621 is an apocalyptic number.

It is an amenable number.

1052932621 is a deficient number, since it is larger than the sum of its proper divisors (147696683).

1052932621 is a wasteful number, since it uses less digits than its factorization.

1052932621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764431.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1052932621 is about 32448.9232641085. The cubic root of 1052932621 is about 1017.3417328748.

The spelling of 1052932621 in words is "one billion, fifty-two million, nine hundred thirty-two thousand, six hundred twenty-one".

Divisors: 1 13 17 221 4764401 61937213 80994817 1052932621