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159630028 = 22231735109
BaseRepresentation
bin10011000001111…
…00001011001100
3102010101001020021
421200330023030
5311331130103
623501231524
73645555445
oct1140741314
9363331207
10159630028
118211a448
12455625a4
13270c124c
14172b42cc
15e032bbd
hex983c2cc

159630028 has 12 divisors (see below), whose sum is σ = 291498480. Its totient is φ = 76344752.

The previous prime is 159630019. The next prime is 159630043. The reversal of 159630028 is 820036951.

It is a junction number, because it is equal to n+sod(n) for n = 159629975 and 159630002.

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, 867463 + ... + 867646.

It is an arithmetic number, because the mean of its divisors is an integer number (24291540).

Almost surely, 2159630028 is an apocalyptic number.

It is an amenable number.

159630028 is a deficient number, since it is larger than the sum of its proper divisors (131868452).

159630028 is a wasteful number, since it uses less digits than its factorization.

159630028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735136 (or 1735134 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 159630028 is about 12634.4777493967. The cubic root of 159630028 is about 542.4647593324.

Adding to 159630028 its reverse (820036951), we get a palindrome (979666979).

The spelling of 159630028 in words is "one hundred fifty-nine million, six hundred thirty thousand, twenty-eight".

Divisors: 1 2 4 23 46 92 1735109 3470218 6940436 39907507 79815014 159630028