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149868048 = 243111914939
BaseRepresentation
bin10001110111011…
…00111000010000
3101110000002022110
420323230320100
5301331234143
622512105320
73466600041
oct1073547020
9343002273
10149868048
11776620a0
1242235240
1325083b25
1415c928c8
15d255533
hex8eece10

149868048 has 80 divisors (see below), whose sum is σ = 444614400. Its totient is φ = 43021440.

The previous prime is 149868041. The next prime is 149868049. The reversal of 149868048 is 840868941.

It is a super-2 number, since 2×1498680482 = 44920863622660608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 149867988 and 149868006.

It is not an unprimeable number, because it can be changed into a prime (149868041) by changing a digit.

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, 2563 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (5557680).

Almost surely, 2149868048 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 149868048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222307200).

149868048 is an abundant number, since it is smaller than the sum of its proper divisors (294746352).

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

149868048 is a wasteful number, since it uses less digits than its factorization.

149868048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980 (or 14974 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 149868048 is about 12242.0606108612. The cubic root of 149868048 is about 531.1734389693.

The spelling of 149868048 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 19 22 24 33 38 44 48 57 66 76 88 114 132 152 176 209 228 264 304 418 456 528 627 836 912 1254 1672 2508 3344 5016 10032 14939 29878 44817 59756 89634 119512 164329 179268 239024 283841 328658 358536 492987 567682 657316 717072 851523 985974 1135364 1314632 1703046 1971948 2270728 2629264 3122251 3406092 3943896 4541456 6244502 6812184 7887792 9366753 12489004 13624368 18733506 24978008 37467012 49956016 74934024 149868048