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161160330 = 2355372011
BaseRepresentation
bin10011001101100…
…01110010001010
3102020020210102010
421212301302022
5312224112310
623554120350
73664561122
oct1146616212
9366223363
10161160330
1182a75161
1245b800b6
1327508956
1417591c82
15e236320
hex99b1c8a

161160330 has 16 divisors (see below), whose sum is σ = 386784864. Its totient is φ = 42976080.

The previous prime is 161160301. The next prime is 161160341. The reversal of 161160330 is 33061161.

It is a junction number, because it is equal to n+sod(n) for n = 161160297 and 161160306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685976 + ... + 2686035.

It is an arithmetic number, because the mean of its divisors is an integer number (24174054).

Almost surely, 2161160330 is an apocalyptic number.

161160330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161160330 is an abundant number, since it is smaller than the sum of its proper divisors (225624534).

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

161160330 is a wasteful number, since it uses less digits than its factorization.

161160330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372021.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 161160330 is about 12694.8938554050. The cubic root of 161160330 is about 544.1927053912.

The spelling of 161160330 in words is "one hundred sixty-one million, one hundred sixty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5372011 10744022 16116033 26860055 32232066 53720110 80580165 161160330