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53235742 = 2731122663
BaseRepresentation
bin1100101100010…
…1000000011110
310201011122201011
43023011000132
5102112020432
65141005434
71214332150
oct313050036
9121148634
1053235742
112806088a
12159b387a
13b04c151
1470daad0
154a18847
hex32c501e

53235742 has 16 divisors (see below), whose sum is σ = 94205952. Its totient is φ = 22079160.

The previous prime is 53235727. The next prime is 53235757. The reversal of 53235742 is 24753235.

It is an interprime number because it is at equal distance from previous prime (53235727) and next prime (53235757).

It is a Harshad number since it is a multiple of its sum of digits (31).

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 7 ways as a sum of consecutive naturals, for example, 60898 + ... + 61765.

It is an arithmetic number, because the mean of its divisors is an integer number (5887872).

Almost surely, 253235742 is an apocalyptic number.

53235742 is a deficient number, since it is larger than the sum of its proper divisors (40970210).

53235742 is a wasteful number, since it uses less digits than its factorization.

53235742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122703.

The product of its digits is 25200, while the sum is 31.

The square root of 53235742 is about 7296.2827521965. The cubic root of 53235742 is about 376.1846789690.

Adding to 53235742 its reverse (24753235), we get a palindrome (77988977).

The spelling of 53235742 in words is "fifty-three million, two hundred thirty-five thousand, seven hundred forty-two".

Divisors: 1 2 7 14 31 62 217 434 122663 245326 858641 1717282 3802553 7605106 26617871 53235742