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147977049 = 31118772389
BaseRepresentation
bin10001101000111…
…11001101011001
3101022110000100110
420310133031121
5300340231144
622403354533
73444532653
oct1064371531
9338400313
10147977049
1176590390
1241682a49
13248711ac
141591d6d3
15ced00b9
hex8d1f359

147977049 has 16 divisors (see below), whose sum is σ = 215444160. Its totient is φ = 89597760.

The previous prime is 147977017. The next prime is 147977051. The reversal of 147977049 is 940779741.

It is not a de Polignac number, because 147977049 - 25 = 147977017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147976989 and 147977007.

It is not an unprimeable number, because it can be changed into a prime (147977069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60747 + ... + 63135.

It is an arithmetic number, because the mean of its divisors is an integer number (13465260).

Almost surely, 2147977049 is an apocalyptic number.

It is an amenable number.

147977049 is a deficient number, since it is larger than the sum of its proper divisors (67467111).

147977049 is a wasteful number, since it uses less digits than its factorization.

147977049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 147977049 is about 12164.5817437346. The cubic root of 147977049 is about 528.9299032934.

The spelling of 147977049 in words is "one hundred forty-seven million, nine hundred seventy-seven thousand, forty-nine".

Divisors: 1 3 11 33 1877 2389 5631 7167 20647 26279 61941 78837 4484153 13452459 49325683 147977049