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274470240 = 253511227229
BaseRepresentation
bin10000010111000…
…001010101100000
3201010110112101110
4100113001111200
51030231021430
643122503320
76541646532
oct2027012540
9633415343
10274470240
11130a27610
1277b04b40
1344b2c735
1428649852
15191697b0
hex105c1560

274470240 has 192 divisors, whose sum is σ = 951471360. Its totient is φ = 65955840.

The previous prime is 274470233. The next prime is 274470269. The reversal of 274470240 is 42074472.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 274470198 and 274470207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198446 + ... + 1198674.

It is an arithmetic number, because the mean of its divisors is an integer number (4955580).

Almost surely, 2274470240 is an apocalyptic number.

274470240 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 274470240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475735680).

274470240 is an abundant number, since it is smaller than the sum of its proper divisors (677001120).

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

274470240 is a wasteful number, since it uses less digits than its factorization.

274470240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 274470240 is about 16567.1433868365. The cubic root of 274470240 is about 649.8778784380.

The spelling of 274470240 in words is "two hundred seventy-four million, four hundred seventy thousand, two hundred forty".