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53151241 = 1113491757
BaseRepresentation
bin1100101011000…
…0011000001001
310201000100210111
43022300120021
5102101314431
65135114321
71213530613
oct312603011
9121010714
1053151241
1128003350
12159729a1
13b01c850
1470b7db3
1549ed7b1
hex32b0609

53151241 has 16 divisors (see below), whose sum is σ = 62653248. Its totient is φ = 44452800.

The previous prime is 53151233. The next prime is 53151253. The reversal of 53151241 is 14215135.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53151241 - 23 = 53151233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53151221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69835 + ... + 70591.

It is an arithmetic number, because the mean of its divisors is an integer number (3915828).

Almost surely, 253151241 is an apocalyptic number.

It is an amenable number.

53151241 is a deficient number, since it is larger than the sum of its proper divisors (9502007).

53151241 is a wasteful number, since it uses less digits than its factorization.

53151241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its digits is 600, while the sum is 22.

The square root of 53151241 is about 7290.4897640694. The cubic root of 53151241 is about 375.9855344706.

Adding to 53151241 its reverse (14215135), we get a palindrome (67366376).

It can be divided in two parts, 53151 and 241, that multiplied together give a triangular number (12809391 = T5061).

The spelling of 53151241 in words is "fifty-three million, one hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 11 13 143 491 757 5401 6383 8327 9841 70213 108251 371687 4088557 4831931 53151241