Base | Representation |
---|---|
bin | 10001110010001… |
… | …10010110011000 |
3 | 101101201102122100 |
4 | 20321012112120 |
5 | 301142422234 |
6 | 22445323400 |
7 | 3461026305 |
oct | 1071062630 |
9 | 341642570 |
10 | 149185944 |
11 | 77236676 |
12 | 41b66560 |
13 | 24ba550b |
14 | 15b560ac |
15 | d16d399 |
hex | 8e46598 |
149185944 has 48 divisors (see below), whose sum is σ = 407155320. Its totient is φ = 49345920.
The previous prime is 149185879. The next prime is 149185969. The reversal of 149185944 is 449581941.
It is a happy number.
149185944 is a `hidden beast` number, since 1 + 49 + 18 + 594 + 4 = 666.
It is a super-2 number, since 2×1491859442 = 44512891774342272, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 149185944.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524 + ... + 17340.
Almost surely, 2149185944 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 149185944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203577660).
149185944 is an abundant number, since it is smaller than the sum of its proper divisors (257969376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149185944 is a wasteful number, since it uses less digits than its factorization.
149185944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15960 (or 15953 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 149185944 is about 12214.1698039613. The cubic root of 149185944 is about 530.3663587789.
The spelling of 149185944 in words is "one hundred forty-nine million, one hundred eighty-five thousand, nine hundred forty-four".
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