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274732920 = 2332571121753
BaseRepresentation
bin10000011000000…
…001011101111000
3201010221212201100
4100120001131320
51030312423140
643132251400
76544122420
oct2030013570
9633855640
10274732920
11131096a00
1278010b60
1344bc2177
14286b7480
15191bc530
hex10601778

274732920 has 576 divisors, whose sum is σ = 1210023360. Its totient is φ = 52715520.

The previous prime is 274732919. The next prime is 274732949. The reversal of 274732920 is 29237472.

274732920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5183614 + ... + 5183666.

It is an arithmetic number, because the mean of its divisors is an integer number (2100735).

Almost surely, 2274732920 is an apocalyptic number.

274732920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274732920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605011680).

274732920 is an abundant number, since it is smaller than the sum of its proper divisors (935290440).

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

274732920 is a wasteful number, since it uses less digits than its factorization.

274732920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 274732920 is about 16575.0692306246. The cubic root of 274732920 is about 650.0851328336.

The spelling of 274732920 in words is "two hundred seventy-four million, seven hundred thirty-two thousand, nine hundred twenty".