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160990925 = 5243149759
BaseRepresentation
bin10011001100010…
…00011011001101
3102012221012000212
421212020123031
5312203202200
623550332205
73663254204
oct1146103315
9365835025
10160990925
1182969957
1245aba065
1327479804
141754a23b
15e201035
hex99886cd

160990925 has 12 divisors (see below), whose sum is σ = 204272640. Its totient is φ = 125796720.

The previous prime is 160990913. The next prime is 160990937. The reversal of 160990925 is 529099061.

It is an interprime number because it is at equal distance from previous prime (160990913) and next prime (160990937).

It is not a de Polignac number, because 160990925 - 216 = 160925389 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 73805 + ... + 75954.

It is an arithmetic number, because the mean of its divisors is an integer number (17022720).

Almost surely, 2160990925 is an apocalyptic number.

It is an amenable number.

160990925 is a deficient number, since it is larger than the sum of its proper divisors (43281715).

160990925 is a wasteful number, since it uses less digits than its factorization.

160990925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149812 (or 149807 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 160990925 is about 12688.2199303133. The cubic root of 160990925 is about 544.0019610025.

The spelling of 160990925 in words is "one hundred sixty million, nine hundred ninety thousand, nine hundred twenty-five".

Divisors: 1 5 25 43 215 1075 149759 748795 3743975 6439637 32198185 160990925