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22147080 = 2335184559
BaseRepresentation
bin101010001111…
…1000000001000
31112200012002020
41110133000020
521132201310
62110404440
7356150514
oct124370010
945605066
1022147080
111155747a
127500720
1347857a7
142d27144
151e27170
hex151f008

22147080 has 32 divisors (see below), whose sum is σ = 66441600. Its totient is φ = 5905856.

The previous prime is 22147079. The next prime is 22147109. The reversal of 22147080 is 8074122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22147080.

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, 92160 + ... + 92399.

It is an arithmetic number, because the mean of its divisors is an integer number (2076300).

Almost surely, 222147080 is an apocalyptic number.

22147080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22147080 is an abundant number, since it is smaller than the sum of its proper divisors (44294520).

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

22147080 is a wasteful number, since it uses less digits than its factorization.

22147080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184573 (or 184569 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 22147080 is about 4706.0684227920. The cubic root of 22147080 is about 280.8269768970.

The spelling of 22147080 in words is "twenty-two million, one hundred forty-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 184559 369118 553677 738236 922795 1107354 1476472 1845590 2214708 2768385 3691180 4429416 5536770 7382360 11073540 22147080