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130620632 = 2316327579
BaseRepresentation
bin1111100100100…
…01110011011000
3100002210012211012
413302101303120
5231414330012
620543353052
73144154112
oct762216330
9302705735
10130620632
116780623a
12378b2788
13210a511c
14134c23b2
15b702622
hex7c91cd8

130620632 has 8 divisors (see below), whose sum is σ = 244913700. Its totient is φ = 65310312.

The previous prime is 130620599. The next prime is 130620671. The reversal of 130620632 is 236026031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 130620598 and 130620607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8163782 + ... + 8163797.

Almost surely, 2130620632 is an apocalyptic number.

It is an amenable number.

130620632 is a deficient number, since it is larger than the sum of its proper divisors (114293068).

130620632 is a wasteful number, since it uses less digits than its factorization.

130620632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327585 (or 16327581 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 130620632 is about 11428.9383583953. The cubic root of 130620632 is about 507.3845751720.

Adding to 130620632 its reverse (236026031), we get a palindrome (366646663).

The spelling of 130620632 in words is "one hundred thirty million, six hundred twenty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16327579 32655158 65310316 130620632