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22093680 = 2435713151
BaseRepresentation
bin101010001000…
…1111101110000
31112120110211110
41110101331300
521123444210
62105313320
7355536030
oct124217560
945513743
1022093680
1111520344
127495840
1347673ab
142d118c0
151e16420
hex1511f70

22093680 has 80 divisors (see below), whose sum is σ = 78280704. Its totient is φ = 5049600.

The previous prime is 22093667. The next prime is 22093697. The reversal of 22093680 is 8639022.

It is a tau number, because it is divible by the number of its divisors (80).

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

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, 4896 + ... + 8255.

Almost surely, 222093680 is an apocalyptic number.

22093680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22093680 is an abundant number, since it is smaller than the sum of its proper divisors (56187024).

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

22093680 is a wasteful number, since it uses less digits than its factorization.

22093680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174 (or 13168 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22093680 is about 4700.3914730584. The cubic root of 22093680 is about 280.6010896406.

The spelling of 22093680 in words is "twenty-two million, ninety-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 13151 26302 39453 52604 65755 78906 92057 105208 131510 157812 184114 197265 210416 263020 276171 315624 368228 394530 460285 526040 552342 631248 736456 789060 920570 1052080 1104684 1380855 1472912 1578120 1841140 2209368 2761710 3156240 3682280 4418736 5523420 7364560 11046840 22093680