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54887274 = 23313411907
BaseRepresentation
bin1101000101100…
…0001101101010
310211021120012000
43101120031222
5103022343044
65240231430
71234351131
oct321301552
9124246160
1054887274
1128a89692
121646b576
13b4a9aa0
14740a918
154c42d69
hex345836a

54887274 has 64 divisors (see below), whose sum is σ = 134628480. Its totient is φ = 16467840.

The previous prime is 54887263. The next prime is 54887303. The reversal of 54887274 is 47278845.

54887274 is a `hidden beast` number, since 548 + 87 + 27 + 4 = 666.

It is a super-2 number, since 2×548872742 = 6025225694302152, which contains 22 as substring.

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, 27829 + ... + 29735.

It is an arithmetic number, because the mean of its divisors is an integer number (2103570).

Almost surely, 254887274 is an apocalyptic number.

54887274 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54887274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67314240).

54887274 is an abundant number, since it is smaller than the sum of its proper divisors (79741206).

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

54887274 is a wasteful number, since it uses less digits than its factorization.

54887274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1966 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 54887274 is about 7408.5946035669. The cubic root of 54887274 is about 380.0352552701.

The spelling of 54887274 in words is "fifty-four million, eight hundred eighty-seven thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 41 54 78 82 117 123 234 246 351 369 533 702 738 1066 1107 1599 1907 2214 3198 3814 4797 5721 9594 11442 14391 17163 24791 28782 34326 49582 51489 74373 78187 102978 148746 156374 223119 234561 446238 469122 669357 703683 1016431 1338714 1407366 2032862 2111049 3049293 4222098 6098586 9147879 18295758 27443637 54887274