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149984933 = 723060917
BaseRepresentation
bin10001111000010…
…01011010100101
3101110020000122112
420330021122211
5301344004213
622514410405
73500564600
oct1074113245
9343200575
10149984933
117773199a
1242290a05
13250c50a7
1415cc3337
15d279ea8
hex8f096a5

149984933 has 6 divisors (see below), whose sum is σ = 174472326. Its totient is φ = 128558472.

The previous prime is 149984921. The next prime is 149984951. The reversal of 149984933 is 339489941.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 30891364 = 10913^2 + 5558^2 .

It is not a de Polignac number, because 149984933 - 214 = 149968549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149984953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1530410 + ... + 1530507.

It is an arithmetic number, because the mean of its divisors is an integer number (29078721).

Almost surely, 2149984933 is an apocalyptic number.

It is an amenable number.

149984933 is a deficient number, since it is larger than the sum of its proper divisors (24487393).

149984933 is an equidigital number, since it uses as much as digits as its factorization.

149984933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060931 (or 3060924 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 149984933 is about 12246.8335907695. The cubic root of 149984933 is about 531.3114939104.

The spelling of 149984933 in words is "one hundred forty-nine million, nine hundred eighty-four thousand, nine hundred thirty-three".

Divisors: 1 7 49 3060917 21426419 149984933