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2147745704 = 231323897887
BaseRepresentation
bin1000000000000011…
…1111111110101000
312112200100210020012
42000000333332220
513344310330304
6553041351052
7104136352166
oct20000777650
95480323205
102147745704
11a0238a155
124bb338488
13282c67160
14165358236
15c884916e
hex8003ffa8

2147745704 has 32 divisors (see below), whose sum is σ = 4525355520. Its totient is φ = 948167616.

The previous prime is 2147745703. The next prime is 2147745707. The reversal of 2147745704 is 4075477412.

It is a super-2 number, since 2×21477457042 = 9225623218100911232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147745703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446552 + ... + 451335.

It is an arithmetic number, because the mean of its divisors is an integer number (141417360).

Almost surely, 22147745704 is an apocalyptic number.

It is an amenable number.

2147745704 is an abundant number, since it is smaller than the sum of its proper divisors (2377609816).

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

2147745704 is a wasteful number, since it uses less digits than its factorization.

2147745704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897929 (or 897925 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 41.

The square root of 2147745704 is about 46343.7774032286. Note that the first 3 decimals coincide. The cubic root of 2147745704 is about 1290.2116320454.

The spelling of 2147745704 in words is "two billion, one hundred forty-seven million, seven hundred forty-five thousand, seven hundred four".

Divisors: 1 2 4 8 13 23 26 46 52 92 104 184 299 598 1196 2392 897887 1795774 3591548 7183096 11672531 20651401 23345062 41302802 46690124 82605604 93380248 165211208 268468213 536936426 1073872852 2147745704