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74227930 = 25710110499
BaseRepresentation
bin1000110110010…
…10000011011010
312011200011120121
410123022003122
5123000243210
611210543454
71560632650
oct433120332
9164604517
1074227930
11389995a7
1220a37b8a
13124bc06a
149c02dd0
1567b36da
hex46ca0da

74227930 has 32 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 25195200.

The previous prime is 74227921. The next prime is 74227961. The reversal of 74227930 is 3972247.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 274227930 is an apocalyptic number.

74227930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74227930 is an abundant number, since it is smaller than the sum of its proper divisors (79996070).

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

74227930 is a wasteful number, since it uses less digits than its factorization.

74227930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74227930 is about 8615.5632433405. The cubic root of 74227930 is about 420.2642516951.

It can be divided in two parts, 74227 and 930, that added together give a palindrome (75157).

The spelling of 74227930 in words is "seventy-four million, two hundred twenty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 3535 7070 10499 20998 52495 73493 104990 146986 367465 734930 1060399 2120798 5301995 7422793 10603990 14845586 37113965 74227930