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677148234 = 23716122577
BaseRepresentation
bin101000010111000…
…111011001001010
31202012011200202020
4220113013121022
52341322220414
6151105345310
722531444050
oct5027073112
91665150666
10677148234
11318261544
1216a938236
13aa39ac39
1465d0a1d0
153e6ab7a9
hex285c764a

677148234 has 16 divisors (see below), whose sum is σ = 1547767488. Its totient is φ = 193470912.

The previous prime is 677148217. The next prime is 677148271. The reversal of 677148234 is 432841776.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 16122577 = 677148234 / (6 + 7 + 7 + 1 + 4 + 8 + 2 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8061247 + ... + 8061330.

It is an arithmetic number, because the mean of its divisors is an integer number (96735468).

Almost surely, 2677148234 is an apocalyptic number.

677148234 is an abundant number, since it is smaller than the sum of its proper divisors (870619254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677148234 is a wasteful number, since it uses less digits than its factorization.

677148234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16122589.

The product of its digits is 225792, while the sum is 42.

The square root of 677148234 is about 26022.0720543157. The cubic root of 677148234 is about 878.1349247731.

The spelling of 677148234 in words is "six hundred seventy-seven million, one hundred forty-eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 16122577 32245154 48367731 96735462 112858039 225716078 338574117 677148234