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2164505504 = 2579662971
BaseRepresentation
bin1000000100000011…
…1011101110100000
312120211220021100112
42001000323232200
513413103134004
6554440510452
7104431664450
oct20100735640
95524807315
102164505504
11a10897027
12504a7b428
132865847b5
1416767bd60
15ca059e6e
hex8103bba0

2164505504 has 24 divisors (see below), whose sum is σ = 4870137888. Its totient is φ = 927645120.

The previous prime is 2164505477. The next prime is 2164505521. The reversal of 2164505504 is 4055054612.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4831262 + ... + 4831709.

It is an arithmetic number, because the mean of its divisors is an integer number (202922412).

Almost surely, 22164505504 is an apocalyptic number.

It is an amenable number.

2164505504 is an abundant number, since it is smaller than the sum of its proper divisors (2705632384).

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

2164505504 is an equidigital number, since it uses as much as digits as its factorization.

2164505504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662988 (or 9662980 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2164505504 is about 46524.2464098023. The cubic root of 2164505504 is about 1293.5589689113.

The spelling of 2164505504 in words is "two billion, one hundred sixty-four million, five hundred five thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 9662971 19325942 38651884 67640797 77303768 135281594 154607536 270563188 309215072 541126376 1082252752 2164505504