Search a number
-
+
53023015 = 5194331289
BaseRepresentation
bin1100101001000…
…1000100100111
310200202211220101
43022101010213
5102033214030
65132244531
71212455023
oct312210447
9120684811
1053023015
1127a25a81
1215910747
13aca6386
147083383
1549c57ca
hex3291127

53023015 has 16 divisors (see below), whose sum is σ = 67183200. Its totient is φ = 40061952.

The previous prime is 53023007. The next prime is 53023057. The reversal of 53023015 is 51032035.

It is a cyclic number.

It is not a de Polignac number, because 53023015 - 23 = 53023007 is a prime.

It is a super-2 number, since 2×530230152 = 5622880239380450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 53022983 and 53023001.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 40491 + ... + 41779.

It is an arithmetic number, because the mean of its divisors is an integer number (4198950).

Almost surely, 253023015 is an apocalyptic number.

53023015 is a deficient number, since it is larger than the sum of its proper divisors (14160185).

53023015 is a wasteful number, since it uses less digits than its factorization.

53023015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53023015 is about 7281.6903944071. The cubic root of 53023015 is about 375.6829391995.

The spelling of 53023015 in words is "fifty-three million, twenty-three thousand, fifteen".

Divisors: 1 5 19 95 433 1289 2165 6445 8227 24491 41135 122455 558137 2790685 10604603 53023015