Search a number
-
+
149233968 = 24331326573
BaseRepresentation
bin10001110010100…
…10000100110000
3101101210212112000
420321102010300
5301200441333
622450334000
73461316312
oct1071220460
9341725460
10149233968
1177269764
1241b8a300
1324bc1330
1415b697b2
15d17c713
hex8e52130

149233968 has 80 divisors (see below), whose sum is σ = 461324640. Its totient is φ = 45916416.

The previous prime is 149233967. The next prime is 149233979. The reversal of 149233968 is 869332941.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (149233967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7671 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (5766558).

Almost surely, 2149233968 is an apocalyptic number.

149233968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

149233968 is an abundant number, since it is smaller than the sum of its proper divisors (312090672).

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

149233968 is a wasteful number, since it uses less digits than its factorization.

149233968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603 (or 26591 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 149233968 is about 12216.1355591693. The cubic root of 149233968 is about 530.4232622217.

The spelling of 149233968 in words is "one hundred forty-nine million, two hundred thirty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 26573 53146 79719 106292 159438 212584 239157 318876 345449 425168 478314 637752 690898 717471 956628 1036347 1275504 1381796 1434942 1913256 2072694 2763592 2869884 3109041 3826512 4145388 5527184 5739768 6218082 8290776 9327123 11479536 12436164 16581552 18654246 24872328 37308492 49744656 74616984 149233968