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274045493 = 1943335429
BaseRepresentation
bin10000010101011…
…001101000110101
3201002122221202002
4100111121220311
51030123423433
643105425045
76535230311
oct2025315065
9632587662
10274045493
11130767487
127793b185
1344a112c7
1428578b41
15190d39e8
hex10559a35

274045493 has 8 divisors (see below), whose sum is σ = 295178400. Its totient is φ = 253583568.

The previous prime is 274045481. The next prime is 274045547. The reversal of 274045493 is 394540472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274045493 - 28 = 274045237 is a prime.

It is a super-2 number, since 2×2740454932 = 150201864467226098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274045393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166898 + ... + 168531.

It is an arithmetic number, because the mean of its divisors is an integer number (36897300).

Almost surely, 2274045493 is an apocalyptic number.

It is an amenable number.

274045493 is a deficient number, since it is larger than the sum of its proper divisors (21132907).

274045493 is a wasteful number, since it uses less digits than its factorization.

274045493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335491.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 274045493 is about 16554.3194665320. The cubic root of 274045493 is about 649.5424732946.

The spelling of 274045493 in words is "two hundred seventy-four million, forty-five thousand, four hundred ninety-three".

Divisors: 1 19 43 817 335429 6373151 14423447 274045493