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161363060 = 22531260263
BaseRepresentation
bin10011001111000…
…11010001110100
3102020122002111122
421213203101310
5312302104220
624002323112
73666364145
oct1147432164
9366562448
10161363060
11830a3501
1246059498
132757a001
1417605acc
15e276425
hex99e3474

161363060 has 24 divisors (see below), whose sum is σ = 349794816. Its totient is φ = 62462880.

The previous prime is 161363057. The next prime is 161363063. The reversal of 161363060 is 60363161.

161363060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161363057) and next prime (161363063).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161363063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129512 + ... + 130751.

It is an arithmetic number, because the mean of its divisors is an integer number (14574784).

Almost surely, 2161363060 is an apocalyptic number.

161363060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161363060 is an abundant number, since it is smaller than the sum of its proper divisors (188431756).

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

161363060 is a wasteful number, since it uses less digits than its factorization.

161363060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260303 (or 260301 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 161363060 is about 12702.8760522962. The cubic root of 161363060 is about 544.4207970046.

The spelling of 161363060 in words is "one hundred sixty-one million, three hundred sixty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 260263 520526 1041052 1301315 2602630 5205260 8068153 16136306 32272612 40340765 80681530 161363060