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74146284 = 223219108401
BaseRepresentation
bin1000110101101…
…10000111101100
312011112000120200
410122312013230
5122440140114
611205113500
71560142632
oct432660754
9164460520
1074146284
1138943223
12209b8890
1312490b54
149bc1352
156799409
hex46b61ec

74146284 has 36 divisors (see below), whose sum is σ = 197291640. Its totient is φ = 23414400.

The previous prime is 74146279. The next prime is 74146291. The reversal of 74146284 is 48264147.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53517 + ... + 54884.

Almost surely, 274146284 is an apocalyptic number.

It is an amenable number.

74146284 is an abundant number, since it is smaller than the sum of its proper divisors (123145356).

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

74146284 is a wasteful number, since it uses less digits than its factorization.

74146284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108430 (or 108425 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 74146284 is about 8610.8236539834. The cubic root of 74146284 is about 420.1101071862.

The spelling of 74146284 in words is "seventy-four million, one hundred forty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 108401 216802 325203 433604 650406 975609 1300812 1951218 2059619 3902436 4119238 6178857 8238476 12357714 18536571 24715428 37073142 74146284