Search a number
-
+
749150428 = 221324159779
BaseRepresentation
bin101100101001110…
…010000011011100
31221012122210012011
4230221302003130
53013240303203
6202200521004
724364450015
oct5451620334
91835583164
10749150428
1135496a894
1218aa80164
13bc28aba0
14716d000c
1545b8076d
hex2ca720dc

749150428 has 24 divisors (see below), whose sum is σ = 1417742480. Its totient is φ = 344321280.

The previous prime is 749150393. The next prime is 749150453. The reversal of 749150428 is 824051947.

It is a super-2 number, since 2×7491504282 = 1122452727545166368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17358 + ... + 42421.

Almost surely, 2749150428 is an apocalyptic number.

It is an amenable number.

749150428 is a deficient number, since it is larger than the sum of its proper divisors (668592052).

749150428 is a wasteful number, since it uses less digits than its factorization.

749150428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60037 (or 60035 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 749150428 is about 27370.6124885798. The cubic root of 749150428 is about 908.2171057375.

The spelling of 749150428 in words is "seven hundred forty-nine million, one hundred fifty thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 241 482 964 3133 6266 12532 59779 119558 239116 777127 1554254 3108508 14406739 28813478 57626956 187287607 374575214 749150428