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74221116 = 22317363829
BaseRepresentation
bin1000110110010…
…00011000111100
312011122211020020
410123020120330
5123000033431
611210452140
71560604044
oct433103074
9164584206
1074221116
1138994472
1220a34050
13124b8c28
149c00724
1567b1696
hex46c863c

74221116 has 24 divisors (see below), whose sum is σ = 183370320. Its totient is φ = 23284992.

The previous prime is 74221109. The next prime is 74221127. The reversal of 74221116 is 61112247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181711 + ... + 182118.

It is an arithmetic number, because the mean of its divisors is an integer number (7640430).

Almost surely, 274221116 is an apocalyptic number.

It is an amenable number.

74221116 is an abundant number, since it is smaller than the sum of its proper divisors (109149204).

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

74221116 is a wasteful number, since it uses less digits than its factorization.

74221116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363853 (or 363851 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 74221116 is about 8615.1677871066. The cubic root of 74221116 is about 420.2513914495.

The spelling of 74221116 in words is "seventy-four million, two hundred twenty-one thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 363829 727658 1091487 1455316 2182974 4365948 6185093 12370186 18555279 24740372 37110558 74221116