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149568812 = 2247297907
BaseRepresentation
bin10001110101000…
…11110100101100
3101102102212211122
420322203310230
5301242200222
622501440112
73464212451
oct1072436454
9342385748
10149568812
1177478298
1242110038
1324caa873
1415c15828
15d1e6a42
hex8ea3d2c

149568812 has 12 divisors (see below), whose sum is σ = 261833880. Its totient is φ = 74759136.

The previous prime is 149568673. The next prime is 149568823. The reversal of 149568812 is 218865941.

149568812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14963 + ... + 22869.

It is an arithmetic number, because the mean of its divisors is an integer number (21819490).

Almost surely, 2149568812 is an apocalyptic number.

It is an amenable number.

149568812 is a deficient number, since it is larger than the sum of its proper divisors (112265068).

149568812 is a wasteful number, since it uses less digits than its factorization.

149568812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640 (or 12638 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 149568812 is about 12229.8328688498. The cubic root of 149568812 is about 530.8196786177.

It can be divided in two parts, 1495 and 68812, that added together give a palindrome (70307).

The spelling of 149568812 in words is "one hundred forty-nine million, five hundred sixty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 4729 7907 9458 15814 18916 31628 37392203 74784406 149568812