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149203968 = 2103172857
BaseRepresentation
bin10001110010010…
…10110000000000
3101101202100100220
420321022300000
5301144011333
622445543040
73461132664
oct1071126000
9341670326
10149203968
1177249171
1241b74a80
1324bb0794
1415b5c8a4
15d1738b3
hex8e4ac00

149203968 has 88 divisors (see below), whose sum is σ = 421223472. Its totient is φ = 46792704.

The previous prime is 149203963. The next prime is 149203973. The reversal of 149203968 is 869302941.

It is an interprime number because it is at equal distance from previous prime (149203963) and next prime (149203973).

It is not an unprimeable number, because it can be changed into a prime (149203963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50796 + ... + 53652.

Almost surely, 2149203968 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 149203968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210611736).

149203968 is an abundant number, since it is smaller than the sum of its proper divisors (272019504).

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

149203968 is a wasteful number, since it uses less digits than its factorization.

149203968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2879 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 149203968 is about 12214.9076132405. The cubic root of 149203968 is about 530.3877167748.

The spelling of 149203968 in words is "one hundred forty-nine million, two hundred three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 512 544 768 816 1024 1088 1536 1632 2176 2857 3072 3264 4352 5714 6528 8571 8704 11428 13056 17142 17408 22856 26112 34284 45712 48569 52224 68568 91424 97138 137136 145707 182848 194276 274272 291414 365696 388552 548544 582828 731392 777104 1097088 1165656 1462784 1554208 2194176 2331312 2925568 3108416 4388352 4662624 6216832 8776704 9325248 12433664 18650496 24867328 37300992 49734656 74601984 149203968