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10520738 = 25260369
BaseRepresentation
bin101000001000…
…100010100010
3201210111201222
4220020202202
510143130423
61013255042
7155265464
oct50104242
921714658
1010520738
115a36428
123634482
1322448b7
14157c134
15dcc3c8
hexa088a2

10520738 has 4 divisors (see below), whose sum is σ = 15781110. Its totient is φ = 5260368.

The previous prime is 10520711. The next prime is 10520743. The reversal of 10520738 is 83702501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 1776889 = 2957^2 + 1333^2 .

It is a super-2 number, since 2×105207382 = 221371856129288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630183 + ... + 2630186.

Almost surely, 210520738 is an apocalyptic number.

10520738 is a deficient number, since it is larger than the sum of its proper divisors (5260372).

10520738 is an equidigital number, since it uses as much as digits as its factorization.

10520738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260371.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 10520738 is about 3243.5687136239. The cubic root of 10520738 is about 219.1200248365.

The spelling of 10520738 in words is "ten million, five hundred twenty thousand, seven hundred thirty-eight".

Divisors: 1 2 5260369 10520738