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56224320 = 263558567
BaseRepresentation
bin1101011001111…
…0101001000000
310220210111021020
43112132221000
5103343134240
65325025440
71251620205
oct326365100
9126714236
1056224320
1129812189
12169b5280
13b857539
147677cac
154e090d0
hex359ea40

56224320 has 56 divisors (see below), whose sum is σ = 178515264. Its totient is φ = 14992896.

The previous prime is 56224313. The next prime is 56224373. The reversal of 56224320 is 2342265.

It is a super-2 number, since 2×562243202 = 6322348318924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28324 + ... + 30243.

Almost surely, 256224320 is an apocalyptic number.

It is an amenable number.

56224320 is an abundant number, since it is smaller than the sum of its proper divisors (122290944).

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

56224320 is a wasteful number, since it uses less digits than its factorization.

56224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58587 (or 58577 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56224320 is about 7498.2878045591. The cubic root of 56224320 is about 383.0963996881.

Adding to 56224320 its reverse (2342265), we get a palindrome (58566585).

The spelling of 56224320 in words is "fifty-six million, two hundred twenty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 58567 117134 175701 234268 292835 351402 468536 585670 702804 878505 937072 1171340 1405608 1757010 1874144 2342680 2811216 3514020 3748288 4685360 5622432 7028040 9370720 11244864 14056080 18741440 28112160 56224320