Search a number
-
+
53045478 = 2326148311
BaseRepresentation
bin1100101001011…
…0100011100110
310200210222201100
43022112203212
5102034423403
65132540530
71212610353
oct312264346
9120728640
1053045478
1127a40942
1215921746
13acb3675
14708b62a
1549cc2a3
hex32968e6

53045478 has 24 divisors (see below), whose sum is σ = 116818416. Its totient is φ = 17391600.

The previous prime is 53045467. The next prime is 53045497. The reversal of 53045478 is 87454035.

53045478 is a `hidden beast` number, since 530 + 4 + 54 + 78 = 666.

53045478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23058 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (4867434).

Almost surely, 253045478 is an apocalyptic number.

53045478 is an abundant number, since it is smaller than the sum of its proper divisors (63772938).

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

53045478 is a wasteful number, since it uses less digits than its factorization.

53045478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48380 (or 48377 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53045478 is about 7283.2326613943. The cubic root of 53045478 is about 375.7359839288.

The spelling of 53045478 in words is "fifty-three million, forty-five thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 9 18 61 122 183 366 549 1098 48311 96622 144933 289866 434799 869598 2946971 5893942 8840913 17681826 26522739 53045478