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53311430 = 255331143
BaseRepresentation
bin1100101101011…
…1011111000110
310201022111112102
43023113133012
5102121431210
65142352102
71215065624
oct313273706
9121274472
1053311430
1128102737
1215a2b632
13b077733
14711a514
154a30ea5
hex32d77c6

53311430 has 8 divisors (see below), whose sum is σ = 95960592. Its totient is φ = 21324568.

The previous prime is 53311421. The next prime is 53311441. The reversal of 53311430 is 3411335.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2665562 + ... + 2665581.

It is an arithmetic number, because the mean of its divisors is an integer number (11995074).

Almost surely, 253311430 is an apocalyptic number.

53311430 is a deficient number, since it is larger than the sum of its proper divisors (42649162).

53311430 is a wasteful number, since it uses less digits than its factorization.

53311430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331150.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53311430 is about 7301.4676606830. The cubic root of 53311430 is about 376.3628749321.

Adding to 53311430 its reverse (3411335), we get a palindrome (56722765).

The spelling of 53311430 in words is "fifty-three million, three hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 5331143 10662286 26655715 53311430