Search a number
-
+
74485444 = 22114094139
BaseRepresentation
bin1000111000010…
…00111011000100
312012011020211011
410130020323010
5123032013234
611220252004
71563054505
oct434107304
9165136734
1074485444
1139055020
1220b41004
131257c337
149c6cbac
156814b64
hex4708ec4

74485444 has 24 divisors (see below), whose sum is σ = 142581600. Its totient is φ = 33766080.

The previous prime is 74485423. The next prime is 74485451. The reversal of 74485444 is 44458447.

It is a junction number, because it is equal to n+sod(n) for n = 74485397 and 74485406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15927 + ... + 20065.

It is an arithmetic number, because the mean of its divisors is an integer number (5940900).

Almost surely, 274485444 is an apocalyptic number.

It is an amenable number.

74485444 is a deficient number, since it is larger than the sum of its proper divisors (68096156).

74485444 is a wasteful number, since it uses less digits than its factorization.

74485444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4561 counting only the distinct ones).

The product of its digits is 286720, while the sum is 40.

The square root of 74485444 is about 8630.4950031849. The cubic root of 74485444 is about 420.7496889953.

The spelling of 74485444 in words is "seventy-four million, four hundred eighty-five thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 409 818 1636 4139 4499 8278 8998 16556 17996 45529 91058 182116 1692851 3385702 6771404 18621361 37242722 74485444