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274371380 = 22516384163
BaseRepresentation
bin10000010110101…
…001001100110100
3201010021111202222
4100112221030310
51030214341010
643120421512
76541055363
oct2026511464
9633244688
10274371380
1113096a308
1277a77898
1344ac673a
14286217da
151914a355
hex105a9334

274371380 has 24 divisors (see below), whose sum is σ = 579721632. Its totient is φ = 109073952.

The previous prime is 274371367. The next prime is 274371389. The reversal of 274371380 is 83173472.

It is a self number, because there is not a number n which added to its sum of digits gives 274371380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274371389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38822 + ... + 45341.

It is an arithmetic number, because the mean of its divisors is an integer number (24155068).

Almost surely, 2274371380 is an apocalyptic number.

274371380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274371380 is an abundant number, since it is smaller than the sum of its proper divisors (305350252).

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

274371380 is a wasteful number, since it uses less digits than its factorization.

274371380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84335 (or 84333 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 274371380 is about 16564.1595017677. The cubic root of 274371380 is about 649.7998436971.

The spelling of 274371380 in words is "two hundred seventy-four million, three hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 84163 168326 336652 420815 841630 1683260 13718569 27437138 54874276 68592845 137185690 274371380