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149049736 = 23112314967
BaseRepresentation
bin10001110001001…
…01000110001000
3101101110111210121
420320211012020
5301124042421
622442353024
73456621223
oct1070450610
9341414717
10149049736
1177153300
1241abb774
1324b58514
1415b1c5ba
15d142d41
hex8e25188

149049736 has 48 divisors (see below), whose sum is σ = 317157120. Its totient is φ = 65551200.

The previous prime is 149049731. The next prime is 149049749. The reversal of 149049736 is 637940941.

It is a junction number, because it is equal to n+sod(n) for n = 149049692 and 149049701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149049731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27525 + ... + 32491.

It is an arithmetic number, because the mean of its divisors is an integer number (6607440).

Almost surely, 2149049736 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 149049736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158578560).

149049736 is an abundant number, since it is smaller than the sum of its proper divisors (168107384).

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

149049736 is a wasteful number, since it uses less digits than its factorization.

149049736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 149049736 is about 12208.5927116929. The cubic root of 149049736 is about 530.2049000081.

The spelling of 149049736 in words is "one hundred forty-nine million, forty-nine thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 11 22 31 44 62 88 121 124 242 248 341 484 682 968 1364 2728 3751 4967 7502 9934 15004 19868 30008 39736 54637 109274 153977 218548 307954 437096 601007 615908 1202014 1231816 1693747 2404028 3387494 4808056 6774988 13549976 18631217 37262434 74524868 149049736