Search a number
-
+
13340572 = 2273779163
BaseRepresentation
bin110010111000…
…111110011100
3221002202211021
4302320332130
511403344242
61153533524
7221251540
oct62707634
927082737
1013340572
117591a73
1245742a4
1329c123b
141ab3a20
151287b67
hexcb8f9c

13340572 has 48 divisors (see below), whose sum is σ = 27919360. Its totient is φ = 5458752.

The previous prime is 13340567. The next prime is 13340581. The reversal of 13340572 is 27504331.

It is a super-2 number, since 2×133405722 = 355941722574368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81763 + ... + 81925.

Almost surely, 213340572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13340572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13959680).

13340572 is an abundant number, since it is smaller than the sum of its proper divisors (14578788).

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

13340572 is a wasteful number, since it uses less digits than its factorization.

13340572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13340572 is about 3652.4747774625. The cubic root of 13340572 is about 237.1691244777.

The spelling of 13340572 in words is "thirteen million, three hundred forty thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 37 74 79 148 158 163 259 316 326 518 553 652 1036 1106 1141 2212 2282 2923 4564 5846 6031 11692 12062 12877 20461 24124 25754 40922 42217 51508 81844 84434 90139 168868 180278 360556 476449 952898 1905796 3335143 6670286 13340572