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74911914 = 23271154049
BaseRepresentation
bin1000111011100…
…01000010101010
312012221220211100
410131301002222
5123134140124
611233342230
71566512040
oct435610252
9165856740
1074911914
1139316480
1221107976
131269b49c
149d40390
15689b1c9
hex47710aa

74911914 has 48 divisors (see below), whose sum is σ = 202363200. Its totient is φ = 19457280.

The previous prime is 74911913. The next prime is 74911931. The reversal of 74911914 is 41911947.

It is a super-2 number, since 2×749119142 = 11223589718286792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74911913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25639 + ... + 28410.

It is an arithmetic number, because the mean of its divisors is an integer number (4215900).

Almost surely, 274911914 is an apocalyptic number.

74911914 is an abundant number, since it is smaller than the sum of its proper divisors (127451286).

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

74911914 is a wasteful number, since it uses less digits than its factorization.

74911914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54075 (or 54072 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 74911914 is about 8655.1668961378. The cubic root of 74911914 is about 421.5511688407.

The spelling of 74911914 in words is "seventy-four million, nine hundred eleven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 54049 108098 162147 324294 378343 486441 594539 756686 972882 1135029 1189078 1783617 2270058 3405087 3567234 4161773 5350851 6810174 8323546 10701702 12485319 24970638 37455957 74911914