Search a number
-
+
74144884 = 22111685111
BaseRepresentation
bin1000110101101…
…01110001110100
312011111221122211
410122311301310
5122440114014
611205103204
71560135562
oct432656164
9164457584
1074144884
1138942170
12209b7b04
1312490318
149bc0a32
156798cc4
hex46b5c74

74144884 has 12 divisors (see below), whose sum is σ = 141549408. Its totient is φ = 33702200.

The previous prime is 74144881. The next prime is 74144891. The reversal of 74144884 is 48844147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74144881) 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, 842512 + ... + 842599.

It is an arithmetic number, because the mean of its divisors is an integer number (11795784).

Almost surely, 274144884 is an apocalyptic number.

It is an amenable number.

74144884 is a deficient number, since it is larger than the sum of its proper divisors (67404524).

74144884 is a wasteful number, since it uses less digits than its factorization.

74144884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685126 (or 1685124 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 74144884 is about 8610.7423605633. The cubic root of 74144884 is about 420.1074630535.

The spelling of 74144884 in words is "seventy-four million, one hundred forty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 11 22 44 1685111 3370222 6740444 18536221 37072442 74144884