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159070820 = 2257953541
BaseRepresentation
bin10010111101100…
…11101001100100
3102002022122010212
421132303221210
5311210231240
623441234552
73641036216
oct1136635144
9362278125
10159070820
1181878297
1245332a58
1326c5685c
14171aa5b6
15de72165
hex97b3a64

159070820 has 12 divisors (see below), whose sum is σ = 334048764. Its totient is φ = 63628320.

The previous prime is 159070817. The next prime is 159070823. The reversal of 159070820 is 28070951.

It is an interprime number because it is at equal distance from previous prime (159070817) and next prime (159070823).

It can be written as a sum of positive squares in 2 ways, for example, as 31651876 + 127418944 = 5626^2 + 11288^2 .

It is not an unprimeable number, because it can be changed into a prime (159070823) 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, 3976751 + ... + 3976790.

It is an arithmetic number, because the mean of its divisors is an integer number (27837397).

Almost surely, 2159070820 is an apocalyptic number.

159070820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159070820 is an abundant number, since it is smaller than the sum of its proper divisors (174977944).

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

159070820 is a wasteful number, since it uses less digits than its factorization.

159070820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953550 (or 7953548 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 159070820 is about 12612.3280959544. The cubic root of 159070820 is about 541.8305729880.

The spelling of 159070820 in words is "one hundred fifty-nine million, seventy thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 7953541 15907082 31814164 39767705 79535410 159070820