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74144048 = 2411421273
BaseRepresentation
bin1000110101101…
…01100100110000
312011111220111212
410122311210300
5122440102143
611205055252
71560133256
oct432654460
9164456455
1074144048
1138941580
12209b7528
131248cb24
149bc05d6
156798918
hex46b5930

74144048 has 20 divisors (see below), whose sum is σ = 156713928. Its totient is φ = 33701760.

The previous prime is 74144047. The next prime is 74144071. The reversal of 74144048 is 84044147.

It is not an unprimeable number, because it can be changed into a prime (74144047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210461 + ... + 210812.

Almost surely, 274144048 is an apocalyptic number.

It is an amenable number.

74144048 is an abundant number, since it is smaller than the sum of its proper divisors (82569880).

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

74144048 is a wasteful number, since it uses less digits than its factorization.

74144048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421292 (or 421286 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 74144048 is about 8610.6938164122. The cubic root of 74144048 is about 420.1058841126.

Subtracting 74144048 from its reverse (84044147), we obtain a palindrome (9900099).

The spelling of 74144048 in words is "seventy-four million, one hundred forty-four thousand, forty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 421273 842546 1685092 3370184 4634003 6740368 9268006 18536012 37072024 74144048