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53078274 = 233982931
BaseRepresentation
bin1100101001111…
…0100100000010
310200212122201000
43022132210002
5102042001044
65133352430
71213105104
oct312364402
9120778630
1053078274
1127a63547
1215938716
13acc5582
147099574
1549d6d69
hex329e902

53078274 has 16 divisors (see below), whose sum is σ = 117951840. Its totient is φ = 17692740.

The previous prime is 53078257. The next prime is 53078299. The reversal of 53078274 is 47287035.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 491412 + ... + 491519.

It is an arithmetic number, because the mean of its divisors is an integer number (7371990).

Almost surely, 253078274 is an apocalyptic number.

53078274 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53078274 is an abundant number, since it is smaller than the sum of its proper divisors (64873566).

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

53078274 is a wasteful number, since it uses less digits than its factorization.

53078274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982942 (or 982936 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 53078274 is about 7285.4837862698. The cubic root of 53078274 is about 375.8134023951.

The spelling of 53078274 in words is "fifty-three million, seventy-eight thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 982931 1965862 2948793 5897586 8846379 17692758 26539137 53078274