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53774540 = 2254875521
BaseRepresentation
bin1100110100100…
…0100011001100
310202012000210122
43031020203030
5102231241130
65200324112
71222035041
oct315104314
9122160718
1053774540
1128399676
1216013638
13b1aa471
1471db1c8
154ac32e5
hex33488cc

53774540 has 24 divisors (see below), whose sum is σ = 113178912. Its totient is φ = 21461760.

The previous prime is 53774537. The next prime is 53774551. The reversal of 53774540 is 4547735.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53774540.

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, 6980 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (4715788).

Almost surely, 253774540 is an apocalyptic number.

It is an amenable number.

53774540 is an abundant number, since it is smaller than the sum of its proper divisors (59404372).

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

53774540 is a wasteful number, since it uses less digits than its factorization.

53774540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 53774540 is about 7333.1125724347. The cubic root of 53774540 is about 377.4495407900.

The spelling of 53774540 in words is "fifty-three million, seven hundred seventy-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 487 974 1948 2435 4870 5521 9740 11042 22084 27605 55210 110420 2688727 5377454 10754908 13443635 26887270 53774540