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149051466 = 232193711779
BaseRepresentation
bin10001110001001…
…01100001001010
3101101110121011200
420320211201022
5301124121331
622442405030
73456626244
oct1070454112
9341417150
10149051466
1177154633
1241b00776
1324b59245
1415b1d094
15d1435e6
hex8e2584a

149051466 has 48 divisors (see below), whose sum is σ = 349159200. Its totient is φ = 45792864.

The previous prime is 149051449. The next prime is 149051489. The reversal of 149051466 is 664150941.

149051466 is a `hidden beast` number, since 149 + 0 + 51 + 466 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 149051466.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6765 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (7274150).

Almost surely, 2149051466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149051466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174579600).

149051466 is an abundant number, since it is smaller than the sum of its proper divisors (200107734).

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

149051466 is a wasteful number, since it uses less digits than its factorization.

149051466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 149051466 is about 12208.6635632243. The cubic root of 149051466 is about 530.2069513389.

The spelling of 149051466 in words is "one hundred forty-nine million, fifty-one thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 19 37 38 57 74 111 114 171 222 333 342 666 703 1406 2109 4218 6327 11779 12654 23558 35337 70674 106011 212022 223801 435823 447602 671403 871646 1307469 1342806 2014209 2614938 3922407 4028418 7844814 8280637 16561274 24841911 49683822 74525733 149051466