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1630504072 = 234147105767
BaseRepresentation
bin110000100101111…
…1000010010001000
311012122002012002201
41201023320102020
511314402112242
6425443205544
755256025121
oct14113702210
94178065081
101630504072
1176741692a
123960768b4
131cca56312
14116795048
15982274b7
hex612f8488

1630504072 has 32 divisors (see below), whose sum is σ = 3198424320. Its totient is φ = 778437760.

The previous prime is 1630504069. The next prime is 1630504081. The reversal of 1630504072 is 2704050361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630504072.

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, 37468 + ... + 68299.

It is an arithmetic number, because the mean of its divisors is an integer number (99950760).

Almost surely, 21630504072 is an apocalyptic number.

It is an amenable number.

1630504072 is a deficient number, since it is larger than the sum of its proper divisors (1567920248).

1630504072 is a wasteful number, since it uses less digits than its factorization.

1630504072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105861 (or 105857 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1630504072 is about 40379.5006407954. The cubic root of 1630504072 is about 1176.9932239533.

The spelling of 1630504072 in words is "one billion, six hundred thirty million, five hundred four thousand, seventy-two".

Divisors: 1 2 4 8 41 47 82 94 164 188 328 376 1927 3854 7708 15416 105767 211534 423068 846136 4336447 4971049 8672894 9942098 17345788 19884196 34691576 39768392 203813009 407626018 815252036 1630504072