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274772493 = 37125639
BaseRepresentation
bin10000011000001…
…011001000001101
3201011000220000000
4100120023020031
51030320204433
643133154513
76544345662
oct2030131015
9634026000
10274772493
11131113706
127802ba39
1344c07198
14286c7a69
15191c9113
hex1060b20d

274772493 has 16 divisors (see below), whose sum is σ = 412099200. Its totient is φ = 183180204.

The previous prime is 274772401. The next prime is 274772521. The reversal of 274772493 is 394277472.

It is not a de Polignac number, because 274772493 - 212 = 274768397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274772093) 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, 60633 + ... + 65006.

It is an arithmetic number, because the mean of its divisors is an integer number (25756200).

Almost surely, 2274772493 is an apocalyptic number.

It is an amenable number.

274772493 is a deficient number, since it is larger than the sum of its proper divisors (137326707).

274772493 is an frugal number, since it uses more digits than its factorization.

274772493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125660 (or 125642 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 274772493 is about 16576.2629383103. The cubic root of 274772493 is about 650.1163444601.

The spelling of 274772493 in words is "two hundred seventy-four million, seven hundred seventy-two thousand, four hundred ninety-three".

Divisors: 1 3 9 27 81 243 729 2187 125639 376917 1130751 3392253 10176759 30530277 91590831 274772493