Search a number
-
+
749670924 = 2232313919541
BaseRepresentation
bin101100101011110…
…001001000001100
31221020122020011210
4230223301020030
53013403432144
6202220014420
724402045342
oct5453611014
91836566153
10749670924
11355195952
1218b091410
13bc410a82
14717c7992
1545c34ab9
hex2caf120c

749670924 has 48 divisors (see below), whose sum is σ = 1838511360. Its totient is φ = 237293760.

The previous prime is 749670899. The next prime is 749670959. The reversal of 749670924 is 429076947.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28594 + ... + 48134.

It is an arithmetic number, because the mean of its divisors is an integer number (38302320).

Almost surely, 2749670924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749670924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919255680).

749670924 is an abundant number, since it is smaller than the sum of its proper divisors (1088840436).

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

749670924 is a wasteful number, since it uses less digits than its factorization.

749670924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710 (or 19708 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 749670924 is about 27380.1191377978. The cubic root of 749670924 is about 908.4273945818.

The spelling of 749670924 in words is "seven hundred forty-nine million, six hundred seventy thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 139 276 278 417 556 834 1668 3197 6394 9591 12788 19182 19541 38364 39082 58623 78164 117246 234492 449443 898886 1348329 1797772 2696658 2716199 5393316 5432398 8148597 10864796 16297194 32594388 62472577 124945154 187417731 249890308 374835462 749670924