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2320005920 = 25514500037
BaseRepresentation
bin1000101001001000…
…0111101100100000
312222200111111211012
42022102013230200
514222410142140
61022113440052
7111330503441
oct21222075440
95880444735
102320005920
11a90645871
12548b70028
132ac85b18b
141801992c8
15d8a24265
hex8a487b20

2320005920 has 24 divisors (see below), whose sum is σ = 5481014364. Its totient is φ = 928002304.

The previous prime is 2320005913. The next prime is 2320005943. The reversal of 2320005920 is 295000232.

It can be written as a sum of positive squares in 2 ways, for example, as 1870735504 + 449270416 = 43252^2 + 21196^2 .

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, 7249859 + ... + 7250178.

Almost surely, 22320005920 is an apocalyptic number.

2320005920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320005920 is an abundant number, since it is smaller than the sum of its proper divisors (3161008444).

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

2320005920 is a wasteful number, since it uses less digits than its factorization.

2320005920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500052 (or 14500044 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2320005920 is about 48166.4397687851. The cubic root of 2320005920 is about 1323.8223156131.

The spelling of 2320005920 in words is "two billion, three hundred twenty million, five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 14500037 29000074 58000148 72500185 116000296 145000370 232000592 290000740 464001184 580001480 1160002960 2320005920