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1634440052 = 22758372859
BaseRepresentation
bin110000101101011…
…1001001101110100
311012220111011020202
41201122321031310
511321404040202
6430103420032
755334340230
oct14132711564
94186434222
101634440052
11769665003
12397454618
132008039bb
141170db5c0
1598753802
hex616b9374

1634440052 has 12 divisors (see below), whose sum is σ = 3268880160. Its totient is φ = 700474296.

The previous prime is 1634440051. The next prime is 1634440057. The reversal of 1634440052 is 2500444361.

1634440052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1634439997 and 1634440024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634440051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29186402 + ... + 29186457.

It is an arithmetic number, because the mean of its divisors is an integer number (272406680).

Almost surely, 21634440052 is an apocalyptic number.

It is an amenable number.

1634440052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1634440052 is a wasteful number, since it uses less digits than its factorization.

1634440052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58372870 (or 58372868 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1634440052 is about 40428.2086172514. The cubic root of 1634440052 is about 1177.9395364460.

The spelling of 1634440052 in words is "one billion, six hundred thirty-four million, four hundred forty thousand, fifty-two".

Divisors: 1 2 4 7 14 28 58372859 116745718 233491436 408610013 817220026 1634440052