Search a number
-
+
10520706 = 2372310891
BaseRepresentation
bin101000001000…
…100010000010
3201210111200210
4220020202002
510143130311
61013254550
7155265420
oct50104202
921714623
1010520706
115a363a9
123634456
132244891
14157c110
15dcc3a6
hexa08882

10520706 has 32 divisors (see below), whose sum is σ = 25095168. Its totient is φ = 2874960.

The previous prime is 10520701. The next prime is 10520711. The reversal of 10520706 is 60702501.

It is an interprime number because it is at equal distance from previous prime (10520701) and next prime (10520711).

It is a super-2 number, since 2×105207062 = 221370509476872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10520701) 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, 4480 + ... + 6411.

It is an arithmetic number, because the mean of its divisors is an integer number (784224).

Almost surely, 210520706 is an apocalyptic number.

10520706 is an abundant number, since it is smaller than the sum of its proper divisors (14574462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520706 is a wasteful number, since it uses less digits than its factorization.

10520706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10520706 is about 3243.5637807819. The cubic root of 10520706 is about 219.1198026770.

The spelling of 10520706 in words is "ten million, five hundred twenty thousand, seven hundred six".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 10891 21782 32673 65346 76237 152474 228711 250493 457422 500986 751479 1502958 1753451 3506902 5260353 10520706