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2305745164 = 227168311887
BaseRepresentation
bin1000100101101110…
…1110000100001100
312221200122222202001
42021123232010030
514210232321124
61020444042044
7111065340052
oct21133560414
95850588661
102305745164
11a83595518
12544233324
132a9907168
1417c3261d2
15d7658b44
hex896ee10c

2305745164 has 24 divisors (see below), whose sum is σ = 4098221568. Its totient is φ = 1134875280.

The previous prime is 2305745131. The next prime is 2305745191. The reversal of 2305745164 is 4615475032.

It is a super-2 number, since 2×23057451642 = 10632921522618773792, which contains 22 as substring.

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, 188029 + ... + 199915.

It is an arithmetic number, because the mean of its divisors is an integer number (170759232).

Almost surely, 22305745164 is an apocalyptic number.

It is an amenable number.

2305745164 is a deficient number, since it is larger than the sum of its proper divisors (1792476404).

2305745164 is a wasteful number, since it uses less digits than its factorization.

2305745164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645 (or 12643 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2305745164 is about 48018.1753505899. The cubic root of 2305745164 is about 1321.1042878835.

The spelling of 2305745164 in words is "two billion, three hundred five million, seven hundred forty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 71 142 284 683 1366 2732 11887 23774 47548 48493 96986 193972 843977 1687954 3375908 8118821 16237642 32475284 576436291 1152872582 2305745164