Search a number
-
+
22513932 = 22327212763
BaseRepresentation
bin101010111100…
…0100100001100
31120100211022100
41111320210030
521230421212
62122315100
7362236200
oct125704414
946324270
1022513932
1111788061
127658a90
13488376c
142dc0b00
151e9abdc
hex157890c

22513932 has 54 divisors (see below), whose sum is σ = 66206868. Its totient is φ = 6432048.

The previous prime is 22513919. The next prime is 22513951. The reversal of 22513932 is 23931522.

It is a junction number, because it is equal to n+sod(n) for n = 22513896 and 22513905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4618 + ... + 8145.

Almost surely, 222513932 is an apocalyptic number.

It is an amenable number.

22513932 is an abundant number, since it is smaller than the sum of its proper divisors (43692936).

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

22513932 is a wasteful number, since it uses less digits than its factorization.

22513932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12775 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 22513932 is about 4744.8848247349. The cubic root of 22513932 is about 282.3690655926.

The spelling of 22513932 in words is "twenty-two million, five hundred thirteen thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 12763 25526 38289 51052 76578 89341 114867 153156 178682 229734 268023 357364 459468 536046 625387 804069 1072092 1250774 1608138 1876161 2501548 3216276 3752322 5628483 7504644 11256966 22513932