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74929916 = 2253353443
BaseRepresentation
bin1000111011101…
…01011011111100
312012222211112002
410131311123330
5123140224131
611234001432
71566615365
oct435653374
9165884462
1074929916
1139328a56
1221116278
13126a6739
149d46b6c
1568a16cb
hex47756fc

74929916 has 12 divisors (see below), whose sum is σ = 133601832. Its totient is φ = 36757968.

The previous prime is 74929913. The next prime is 74929927. The reversal of 74929916 is 61992947.

It is a super-2 number, since 2×749299162 = 11228984623534112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74929913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176510 + ... + 176933.

It is an arithmetic number, because the mean of its divisors is an integer number (11133486).

Almost surely, 274929916 is an apocalyptic number.

It is an amenable number.

74929916 is a deficient number, since it is larger than the sum of its proper divisors (58671916).

74929916 is a wasteful number, since it uses less digits than its factorization.

74929916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353500 (or 353498 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 74929916 is about 8656.2067905059. The cubic root of 74929916 is about 421.5849336360.

The spelling of 74929916 in words is "seventy-four million, nine hundred twenty-nine thousand, nine hundred sixteen".

Divisors: 1 2 4 53 106 212 353443 706886 1413772 18732479 37464958 74929916