Base | Representation |
---|---|
bin | 10001110100100… |
… | …01110010100000 |
3 | 101102022010111210 |
4 | 20322101302200 |
5 | 301232314234 |
6 | 22500110120 |
7 | 3463454214 |
oct | 1072216240 |
9 | 342263453 |
10 | 149494944 |
11 | 77427845 |
12 | 42095340 |
13 | 24c83061 |
14 | 15bd6944 |
15 | d1cebe9 |
hex | 8e91ca0 |
149494944 has 24 divisors (see below), whose sum is σ = 392424480. Its totient is φ = 49831616.
The previous prime is 149494937. The next prime is 149494949. The reversal of 149494944 is 449494941.
It is a tau number, because it is divible by the number of its divisors (24).
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 = 149494893 and 149494902.
It is not an unprimeable number, because it can be changed into a prime (149494949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778524 + ... + 778715.
It is an arithmetic number, because the mean of its divisors is an integer number (16351020).
Almost surely, 2149494944 is an apocalyptic number.
It is an amenable number.
149494944 is an abundant number, since it is smaller than the sum of its proper divisors (242929536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149494944 is a wasteful number, since it uses less digits than its factorization.
149494944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1557252 (or 1557244 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The square root of 149494944 is about 12226.8125036740. The cubic root of 149494944 is about 530.7322783897.
It can be divided in two parts, 1494949 and 44, that multiplied together give a palindrome (65777756).
The spelling of 149494944 in words is "one hundred forty-nine million, four hundred ninety-four thousand, nine hundred forty-four".
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