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149448936 = 233713411669
BaseRepresentation
bin10001110100001…
…10100011101000
3101102012210101210
420322012203220
5301224331221
622455113120
73463203120
oct1072064350
9342183353
10149448936
11773a621a
12420727a0
1324c68130
1415bc3c80
15d1c1276
hex8e868e8

149448936 has 128 divisors (see below), whose sum is σ = 471340800. Its totient is φ = 38430720.

The previous prime is 149448907. The next prime is 149448953. The reversal of 149448936 is 639844941.

It is a happy number.

149448936 is nontrivially palindromic in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88710 + ... + 90378.

It is an arithmetic number, because the mean of its divisors is an integer number (3682350).

Almost surely, 2149448936 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 149448936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235670400).

149448936 is an abundant number, since it is smaller than the sum of its proper divisors (321891864).

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

149448936 is a wasteful number, since it uses less digits than its factorization.

149448936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1735 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 149448936 is about 12224.9309200502. The cubic root of 149448936 is about 530.6778274155.

The spelling of 149448936 in words is "one hundred forty-nine million, four hundred forty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 41 42 52 56 78 82 84 91 104 123 156 164 168 182 246 273 287 312 328 364 492 533 546 574 728 861 984 1066 1092 1148 1599 1669 1722 2132 2184 2296 3198 3338 3444 3731 4264 5007 6396 6676 6888 7462 10014 11193 11683 12792 13352 14924 20028 21697 22386 23366 29848 35049 40056 43394 44772 46732 65091 68429 70098 86788 89544 93464 130182 136858 140196 151879 173576 205287 260364 273716 280392 303758 410574 455637 479003 520728 547432 607516 821148 889577 911274 958006 1215032 1437009 1642296 1779154 1822548 1916012 2668731 2874018 3558308 3645096 3832024 5337462 5748036 6227039 7116616 10674924 11496072 12454078 18681117 21349848 24908156 37362234 49816312 74724468 149448936