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274173220 = 22513708661
BaseRepresentation
bin10000010101111…
…000110100100100
3201002220102221201
4100111320310210
51030142020340
643112252244
76536301556
oct2025706444
9632812851
10274173220
11130844442
12779a1084
1344a57499
14285ad4d6
151910b79a
hex10578d24

274173220 has 12 divisors (see below), whose sum is σ = 575763804. Its totient is φ = 109669280.

The previous prime is 274173209. The next prime is 274173239. The reversal of 274173220 is 22371472.

It can be written as a sum of positive squares in 2 ways, for example, as 132848676 + 141324544 = 11526^2 + 11888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6854311 + ... + 6854350.

It is an arithmetic number, because the mean of its divisors is an integer number (47980317).

Almost surely, 2274173220 is an apocalyptic number.

274173220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274173220 is an abundant number, since it is smaller than the sum of its proper divisors (301590584).

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

274173220 is a wasteful number, since it uses less digits than its factorization.

274173220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708670 (or 13708668 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 274173220 is about 16558.1768320066. The cubic root of 274173220 is about 649.6433704421.

The spelling of 274173220 in words is "two hundred seventy-four million, one hundred seventy-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13708661 27417322 54834644 68543305 137086610 274173220