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149274 = 2328293
BaseRepresentation
bin100100011100011010
321120202200
4210130122
514234044
63111030
71161126
oct443432
9246680
10149274
11a2174
1272476
1352c38
143c586
152e369
hex2471a

149274 has 12 divisors (see below), whose sum is σ = 323466. Its totient is φ = 49752.

The previous prime is 149269. The next prime is 149287. The reversal of 149274 is 472941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 8649 = 375^2 + 93^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4129 + ... + 4164.

2149274 is an apocalyptic number.

149274 is an abundant number, since it is smaller than the sum of its proper divisors (174192).

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

149274 is a wasteful number, since it uses less digits than its factorization.

149274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301 (or 8298 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 149274 is about 386.3599358112. The cubic root of 149274 is about 53.0470686647.

The spelling of 149274 in words is "one hundred forty-nine thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 8293 16586 24879 49758 74637 149274