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149447053 = 767331723
BaseRepresentation
bin10001110100001…
…10000110001101
3101102012200211001
420322012012031
5301224301203
622455100301
73463164460
oct1072060615
9342180731
10149447053
11773a4868
1242071691
1324c67312
1415bc32d7
15d1c091d
hex8e8618d

149447053 has 8 divisors (see below), whose sum is σ = 171055808. Its totient is φ = 127903104.

The previous prime is 149447029. The next prime is 149447057. The reversal of 149447053 is 350744941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-149447053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149447057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11151 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (21381976).

Almost surely, 2149447053 is an apocalyptic number.

It is an amenable number.

149447053 is a deficient number, since it is larger than the sum of its proper divisors (21608755).

149447053 is an equidigital number, since it uses as much as digits as its factorization.

149447053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32403.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 149447053 is about 12224.8539050575. The cubic root of 149447053 is about 530.6755986263.

The spelling of 149447053 in words is "one hundred forty-nine million, four hundred forty-seven thousand, fifty-three".

Divisors: 1 7 673 4711 31723 222061 21349579 149447053