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74994012 = 2234231463
BaseRepresentation
bin1000111100001…
…01000101011100
312020010002110000
410132011011130
5123144302022
611235214300
71600303302
oct436050534
9166102400
1074994012
1139372125
1221147390
13126c9972
149d62272
1568b56ac
hex478515c

74994012 has 30 divisors (see below), whose sum is σ = 196050008. Its totient is φ = 24997896.

The previous prime is 74993983. The next prime is 74994013. The reversal of 74994012 is 21049947.

It is a super-2 number, since 2×749940122 = 11248203671712288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74994013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 115408 + ... + 116055.

Almost surely, 274994012 is an apocalyptic number.

It is an amenable number.

74994012 is an abundant number, since it is smaller than the sum of its proper divisors (121055996).

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

74994012 is a wasteful number, since it uses less digits than its factorization.

74994012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231479 (or 231468 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 74994012 is about 8659.9083136024. The cubic root of 74994012 is about 421.7051090748.

It can be divided in two parts, 7499 and 4012, that added together give a palindrome (11511).

The spelling of 74994012 in words is "seventy-four million, nine hundred ninety-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 231463 462926 694389 925852 1388778 2083167 2777556 4166334 6249501 8332668 12499002 18748503 24998004 37497006 74994012