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147679169 = 1121220489
BaseRepresentation
bin10001100110101…
…10011111000001
3101021212212201212
420303112133001
5300301213134
622353135505
73442152341
oct1063263701
9337785655
10147679169
11763a7600
124155a595
1324798731
1415882d21
15ce71bce
hex8cd67c1

147679169 has 6 divisors (see below), whose sum is σ = 162325170. Its totient is φ = 134253680.

The previous prime is 147679127. The next prime is 147679199. The reversal of 147679169 is 961976741.

147679169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 5234944 = 11935^2 + 2288^2 .

It is not a de Polignac number, because 147679169 - 28 = 147678913 is a prime.

It is a super-2 number, since 2×1476791692 = 43618273913061122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147679199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610124 + ... + 610365.

It is an arithmetic number, because the mean of its divisors is an integer number (27054195).

Almost surely, 2147679169 is an apocalyptic number.

It is an amenable number.

147679169 is a deficient number, since it is larger than the sum of its proper divisors (14646001).

147679169 is a wasteful number, since it uses less digits than its factorization.

147679169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220511 (or 1220500 counting only the distinct ones).

The product of its digits is 571536, while the sum is 50.

The square root of 147679169 is about 12152.3318338498. The cubic root of 147679169 is about 528.5747502904.

The spelling of 147679169 in words is "one hundred forty-seven million, six hundred seventy-nine thousand, one hundred sixty-nine".

Divisors: 1 11 121 1220489 13425379 147679169