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149382667 = 721340381
BaseRepresentation
bin10001110011101…
…10011000001011
3101102002102111101
420321312120023
5301220221132
622453442231
73462505660
oct1071663013
9342072441
10149382667
1177360455
1242040377
1324c43c15
1415ba7a67
15d1ab7e7
hex8e7660b

149382667 has 4 divisors (see below), whose sum is σ = 170723056. Its totient is φ = 128042280.

The previous prime is 149382661. The next prime is 149382671. The reversal of 149382667 is 766283941.

149382667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149382667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149382661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670184 + ... + 10670197.

It is an arithmetic number, because the mean of its divisors is an integer number (42680764).

Almost surely, 2149382667 is an apocalyptic number.

149382667 is a deficient number, since it is larger than the sum of its proper divisors (21340389).

149382667 is an equidigital number, since it uses as much as digits as its factorization.

149382667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21340388.

The product of its digits is 435456, while the sum is 46.

The square root of 149382667 is about 12222.2202156564. The cubic root of 149382667 is about 530.5993776806.

The spelling of 149382667 in words is "one hundred forty-nine million, three hundred eighty-two thousand, six hundred sixty-seven".

Divisors: 1 7 21340381 149382667