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146979069 = 348993023
BaseRepresentation
bin10001100001010…
…11100011111101
3101020120022101020
420300223203331
5300111312234
622330134353
73433205256
oct1060534375
9336508336
10146979069
1175a69606
12412813b9
13245b1b83
141573db2d
15cd84549
hex8c2b8fd

146979069 has 4 divisors (see below), whose sum is σ = 195972096. Its totient is φ = 97986044.

The previous prime is 146979067. The next prime is 146979083. The reversal of 146979069 is 960979641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146979069 - 21 = 146979067 is a prime.

It is a super-2 number, since 2×1469790692 = 43205693448213522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146979067) 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, 24496509 + ... + 24496514.

It is an arithmetic number, because the mean of its divisors is an integer number (48993024).

Almost surely, 2146979069 is an apocalyptic number.

It is an amenable number.

146979069 is a deficient number, since it is larger than the sum of its proper divisors (48993027).

146979069 is an equidigital number, since it uses as much as digits as its factorization.

146979069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48993026.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 146979069 is about 12123.4924423616. The cubic root of 146979069 is about 527.7381585952.

The spelling of 146979069 in words is "one hundred forty-six million, nine hundred seventy-nine thousand, sixty-nine".

Divisors: 1 3 48993023 146979069