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61053863 = 136176991
BaseRepresentation
bin1110100011100…
…1101110100111
311020212212011012
43220321232213
5111112210423
610020332435
71340643413
oct350715647
9136785135
1061053863
1131510742
121854411b
13c858860
148173d43
155560078
hex3a39ba7

61053863 has 8 divisors (see below), whose sum is σ = 66829056. Its totient is φ = 55432800.

The previous prime is 61053809. The next prime is 61053871. The reversal of 61053863 is 36835016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61053863 - 210 = 61052839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61053803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37703 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (8353632).

Almost surely, 261053863 is an apocalyptic number.

61053863 is a deficient number, since it is larger than the sum of its proper divisors (5775193).

61053863 is a wasteful number, since it uses less digits than its factorization.

61053863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77065.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 61053863 is about 7813.6971402787. The cubic root of 61053863 is about 393.7655484580.

Adding to 61053863 its reverse (36835016), we get a palindrome (97888879).

It can be divided in two parts, 61053 and 863, that added together give a palindrome (61916).

The spelling of 61053863 in words is "sixty-one million, fifty-three thousand, eight hundred sixty-three".

Divisors: 1 13 61 793 76991 1000883 4696451 61053863