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274470740 = 22513723537
BaseRepresentation
bin10000010111000…
…001011101010100
3201010110120001222
4100113001131110
51030231030430
643122505512
76541651145
oct2027013524
9633416058
10274470740
11130a27a25
1277b05298
1344b2ca2b
1428649acc
15191699e5
hex105c1754

274470740 has 12 divisors (see below), whose sum is σ = 576388596. Its totient is φ = 109788288.

The previous prime is 274470739. The next prime is 274470743. The reversal of 274470740 is 47074472.

It can be written as a sum of positive squares in 2 ways, for example, as 128640964 + 145829776 = 11342^2 + 12076^2 .

It is a super-2 number, since 2×2744707402 = 150668374232295200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 274470740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274470743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6861749 + ... + 6861788.

It is an arithmetic number, because the mean of its divisors is an integer number (48032383).

Almost surely, 2274470740 is an apocalyptic number.

274470740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274470740 is an abundant number, since it is smaller than the sum of its proper divisors (301917856).

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

274470740 is a wasteful number, since it uses less digits than its factorization.

274470740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13723546 (or 13723544 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 274470740 is about 16567.1584769386. The cubic root of 274470740 is about 649.8782730633.

The spelling of 274470740 in words is "two hundred seventy-four million, four hundred seventy thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 13723537 27447074 54894148 68617685 137235370 274470740