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274220471 = 739174353
BaseRepresentation
bin10000010110000…
…100010110110111
3201002222211202202
4100112010112313
51030200023341
643113255115
76536556410
oct2026042667
9632884682
10274220471
11130876998
1277a0449b
1344a72b45
14285c2807
151911a79b
hex105845b7

274220471 has 4 divisors (see below), whose sum is σ = 313394832. Its totient is φ = 235046112.

The previous prime is 274220459. The next prime is 274220473. The reversal of 274220471 is 174022472.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 274220471 - 214 = 274204087 is a prime.

It is a super-3 number, since 3×2742204713 (a number of 26 digits) contains 333 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 (274220473) 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 3 ways as a sum of consecutive naturals, for example, 19587170 + ... + 19587183.

It is an arithmetic number, because the mean of its divisors is an integer number (78348708).

Almost surely, 2274220471 is an apocalyptic number.

274220471 is a deficient number, since it is larger than the sum of its proper divisors (39174361).

274220471 is an equidigital number, since it uses as much as digits as its factorization.

274220471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39174360.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 274220471 is about 16559.6035882505. The cubic root of 274220471 is about 649.6806881345.

The spelling of 274220471 in words is "two hundred seventy-four million, two hundred twenty thousand, four hundred seventy-one".

Divisors: 1 7 39174353 274220471