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74160930 = 2358213011
BaseRepresentation
bin1000110101110…
…01101100100010
312011112202200010
410122321230202
5122441122210
611205305350
71560233424
oct432715442
9164482603
1074160930
1138953228
1220a05256
131249770c
149bc6814
15679d920
hex46b9b22

74160930 has 32 divisors (see below), whose sum is σ = 178262208. Its totient is φ = 19745600.

The previous prime is 74160899. The next prime is 74160973. The reversal of 74160930 is 3906147.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 23125 + ... + 26135.

It is an arithmetic number, because the mean of its divisors is an integer number (5570694).

Almost surely, 274160930 is an apocalyptic number.

74160930 is an abundant number, since it is smaller than the sum of its proper divisors (104101278).

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

74160930 is a wasteful number, since it uses less digits than its factorization.

74160930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 74160930 is about 8611.6740532837. The cubic root of 74160930 is about 420.1377665968.

The spelling of 74160930 in words is "seventy-four million, one hundred sixty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 821 1642 2463 3011 4105 4926 6022 8210 9033 12315 15055 18066 24630 30110 45165 90330 2472031 4944062 7416093 12360155 14832186 24720310 37080465 74160930