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22940424 = 23321324509
BaseRepresentation
bin101011110000…
…0101100001000
31121011111100100
41113200230020
521333043144
62135405400
7365663463
oct127405410
947144310
1022940424
1111a49531
127823860
1349a2920
1430922da
152032269
hex15e0b08

22940424 has 48 divisors (see below), whose sum is σ = 66912300. Its totient is φ = 7058304.

The previous prime is 22940419. The next prime is 22940431. The reversal of 22940424 is 42404922.

It can be written as a sum of positive squares in 2 ways, for example, as 22867524 + 72900 = 4782^2 + 270^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11319 + ... + 13190.

Almost surely, 222940424 is an apocalyptic number.

22940424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22940424 is an abundant number, since it is smaller than the sum of its proper divisors (43971876).

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

22940424 is a wasteful number, since it uses less digits than its factorization.

22940424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534 (or 24527 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 22940424 is about 4789.6162685543. The cubic root of 22940424 is about 284.1409404256.

The spelling of 22940424 in words is "twenty-two million, nine hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 24509 49018 73527 98036 147054 196072 220581 294108 318617 441162 588216 637234 882324 955851 1274468 1764648 1911702 2548936 2867553 3823404 5735106 7646808 11470212 22940424