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74964984 = 2333123541
BaseRepresentation
bin1000111011111…
…01111111111000
312020001121121220
410131331333320
5123142334414
611234432040
71600122543
oct435757770
9166047556
1074964984
1139352336
1221132620
13126b96a3
149d5585a
1568abca9
hex477dff8

74964984 has 16 divisors (see below), whose sum is σ = 187412520. Its totient is φ = 24988320.

The previous prime is 74964983. The next prime is 74965003. The reversal of 74964984 is 48946947.

It is a super-2 number, since 2×749649842 = 11239497652240512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74964983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561747 + ... + 1561794.

Almost surely, 274964984 is an apocalyptic number.

It is an amenable number.

74964984 is an abundant number, since it is smaller than the sum of its proper divisors (112447536).

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

74964984 is a wasteful number, since it uses less digits than its factorization.

74964984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123550 (or 3123546 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 74964984 is about 8658.2321521197. The cubic root of 74964984 is about 421.6506921273.

The spelling of 74964984 in words is "seventy-four million, nine hundred sixty-four thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 3123541 6247082 9370623 12494164 18741246 24988328 37482492 74964984