Search a number
-
+
10520004 = 2231179697
BaseRepresentation
bin101000001000…
…010111000100
3201210110201210
4220020113010
510143120004
61013251420
7155263365
oct50102704
921713653
1010520004
115a35920
123633b70
132244471
14157bb6c
15dcc089
hexa085c4

10520004 has 24 divisors (see below), whose sum is σ = 26778528. Its totient is φ = 3187840.

The previous prime is 10519981. The next prime is 10520017. The reversal of 10520004 is 40002501.

It is a super-2 number, since 2×105200042 = 221340968320032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39717 + ... + 39980.

It is an arithmetic number, because the mean of its divisors is an integer number (1115772).

Almost surely, 210520004 is an apocalyptic number.

It is an amenable number.

10520004 is an abundant number, since it is smaller than the sum of its proper divisors (16258524).

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

10520004 is a wasteful number, since it uses less digits than its factorization.

10520004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79715 (or 79713 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10520004 is about 3243.4555646717. The cubic root of 10520004 is about 219.1149289380.

Adding to 10520004 its reverse (40002501), we get a palindrome (50522505).

The spelling of 10520004 in words is "ten million, five hundred twenty thousand, four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 79697 159394 239091 318788 478182 876667 956364 1753334 2630001 3506668 5260002 10520004