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274831494 = 2373133543
BaseRepresentation
bin10000011000011…
…001100010000110
3201011010212221020
4100120121202012
51030324101434
643134332010
76545013000
oct2030314206
9634125836
10274831494
11131153a73
127805a006
1344c27cb2
1428701370
15191db849
hex10619886

274831494 has 32 divisors (see below), whose sum is σ = 641011200. Its totient is φ = 78522696.

The previous prime is 274831493. The next prime is 274831507. The reversal of 274831494 is 494138472.

274831494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274831493) 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, 64714 + ... + 68829.

It is an arithmetic number, because the mean of its divisors is an integer number (20031600).

Almost surely, 2274831494 is an apocalyptic number.

274831494 is an abundant number, since it is smaller than the sum of its proper divisors (366179706).

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

274831494 is a wasteful number, since it uses less digits than its factorization.

274831494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133569 (or 133555 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 274831494 is about 16578.0425261851. The cubic root of 274831494 is about 650.1628735830.

The spelling of 274831494 in words is "two hundred seventy-four million, eight hundred thirty-one thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 133543 267086 400629 801258 934801 1869602 2804403 5608806 6543607 13087214 19630821 39261642 45805249 91610498 137415747 274831494