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22983240 = 2335727361
BaseRepresentation
bin101011110101…
…1001001001000
31121020200002010
41113223021020
521340430430
62140335520
7366232350
oct127531110
947220063
1022983240
1111a78715
1278445a0
1349b9267
1430a3b60
15203ecb0
hex15eb248

22983240 has 64 divisors (see below), whose sum is σ = 78802560. Its totient is φ = 5253120.

The previous prime is 22983229. The next prime is 22983251. The reversal of 22983240 is 4238922.

It is an interprime number because it is at equal distance from previous prime (22983229) and next prime (22983251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22983198 and 22983207.

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, 12841 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (1231290).

Almost surely, 222983240 is an apocalyptic number.

22983240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22983240 is an abundant number, since it is smaller than the sum of its proper divisors (55819320).

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

22983240 is a wasteful number, since it uses less digits than its factorization.

22983240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27382 (or 27378 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22983240 is about 4794.0838540852. The cubic root of 22983240 is about 284.3176040828.

The spelling of 22983240 in words is "twenty-two million, nine hundred eighty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 27361 54722 82083 109444 136805 164166 191527 218888 273610 328332 383054 410415 547220 574581 656664 766108 820830 957635 1094440 1149162 1532216 1641660 1915270 2298324 2872905 3283320 3830540 4596648 5745810 7661080 11491620 22983240