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274415144 = 23254913457
BaseRepresentation
bin10000010110110…
…011111000101000
3201010100201210212
4100112303320220
51030222241034
643121400252
76541330103
oct2026637050
9633321725
10274415144
1113099a183
1277a99088
1344b10633
142863373a
15191582ce
hex105b3e28

274415144 has 16 divisors (see below), whose sum is σ = 514768500. Its totient is φ = 137143552.

The previous prime is 274415143. The next prime is 274415147. The reversal of 274415144 is 441514472.

It can be written as a sum of positive squares in 2 ways, for example, as 177156100 + 97259044 = 13310^2 + 9862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 274415144.

It is not an unprimeable number, because it can be changed into a prime (274415143) 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, 13664 + ... + 27120.

Almost surely, 2274415144 is an apocalyptic number.

It is an amenable number.

274415144 is a deficient number, since it is larger than the sum of its proper divisors (240353356).

274415144 is a wasteful number, since it uses less digits than its factorization.

274415144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012 (or 16008 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 274415144 is about 16565.4804940877. The cubic root of 274415144 is about 649.8343909453.

The spelling of 274415144 in words is "two hundred seventy-four million, four hundred fifteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 2549 5098 10196 13457 20392 26914 53828 107656 34301893 68603786 137207572 274415144