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274385292 = 22322865441
BaseRepresentation
bin10000010110101…
…100100110001100
3201010022012212020
4100112230212030
51030220312132
643121010140
76541144056
oct2026544614
9633265766
10274385292
11130979805
1277a83950
1344accb7c
14286268d6
151914e52c
hex105ac98c

274385292 has 12 divisors (see below), whose sum is σ = 640232376. Its totient is φ = 91461760.

The previous prime is 274385291. The next prime is 274385299. The reversal of 274385292 is 292583472.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (274385291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432709 + ... + 11432732.

It is an arithmetic number, because the mean of its divisors is an integer number (53352698).

Almost surely, 2274385292 is an apocalyptic number.

It is an amenable number.

274385292 is an abundant number, since it is smaller than the sum of its proper divisors (365847084).

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

274385292 is a wasteful number, since it uses less digits than its factorization.

274385292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22865448 (or 22865446 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 274385292 is about 16564.5794392734. The cubic root of 274385292 is about 649.8108262112.

The spelling of 274385292 in words is "two hundred seventy-four million, three hundred eighty-five thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 22865441 45730882 68596323 91461764 137192646 274385292