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22942992 = 2434311109
BaseRepresentation
bin101011110000…
…1010100010000
31121011121212110
41113201110100
521333133432
62135425320
7366004122
oct127412420
947147773
1022942992
1111a50456
127825240
1349a3b47
143093212
152032dcc
hex15e1510

22942992 has 40 divisors (see below), whose sum is σ = 59460480. Its totient is φ = 7623040.

The previous prime is 22942987. The next prime is 22942993. The reversal of 22942992 is 29924922.

It is a self number, because there is not a number n which added to its sum of digits gives 22942992.

It is not an unprimeable number, because it can be changed into a prime (22942993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20134 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (1486512).

Almost surely, 222942992 is an apocalyptic number.

It is an amenable number.

22942992 is an abundant number, since it is smaller than the sum of its proper divisors (36517488).

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

22942992 is a wasteful number, since it uses less digits than its factorization.

22942992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1545 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 22942992 is about 4789.8843409836. The cubic root of 22942992 is about 284.1515424777.

The spelling of 22942992 in words is "twenty-two million, nine hundred forty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 431 862 1109 1293 1724 2218 2586 3327 3448 4436 5172 6654 6896 8872 10344 13308 17744 20688 26616 53232 477979 955958 1433937 1911916 2867874 3823832 5735748 7647664 11471496 22942992