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74245260 = 22354130181
BaseRepresentation
bin1000110110011…
…10010010001100
312011201001100110
410123032102030
5123001322020
611211200020
71561034325
oct433162214
9164631313
1074245260
1138a00621
1220a46010
13124c6c0b
149c0944c
1567b88e0
hex46ce48c

74245260 has 48 divisors (see below), whose sum is σ = 212964192. Its totient is φ = 19315200.

The previous prime is 74245253. The next prime is 74245271. The reversal of 74245260 is 6254247.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 12631 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (4436754).

Almost surely, 274245260 is an apocalyptic number.

It is an amenable number.

74245260 is an abundant number, since it is smaller than the sum of its proper divisors (138718932).

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

74245260 is a wasteful number, since it uses less digits than its factorization.

74245260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30234 (or 30232 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 74245260 is about 8616.5689227209. The cubic root of 74245260 is about 420.2969555249.

The spelling of 74245260 in words is "seventy-four million, two hundred forty-five thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 30181 60362 90543 120724 150905 181086 301810 362172 452715 603620 905430 1237421 1810860 2474842 3712263 4949684 6187105 7424526 12374210 14849052 18561315 24748420 37122630 74245260