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53306430 = 2351776881
BaseRepresentation
bin1100101101011…
…0010000111110
310201022020200020
43023112100332
5102121301210
65142313010
71215045222
oct313262076
9121266606
1053306430
11280a9a01
1215a28766
13b075388
147118782
154a2e770
hex32d643e

53306430 has 16 divisors (see below), whose sum is σ = 127935504. Its totient is φ = 14215040.

The previous prime is 53306417. The next prime is 53306443. The reversal of 53306430 is 3460335.

It is an interprime number because it is at equal distance from previous prime (53306417) and next prime (53306443).

It is a self number, because there is not a number n which added to its sum of digits gives 53306430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888411 + ... + 888470.

It is an arithmetic number, because the mean of its divisors is an integer number (7995969).

Almost surely, 253306430 is an apocalyptic number.

53306430 is an abundant number, since it is smaller than the sum of its proper divisors (74629074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53306430 is a wasteful number, since it uses less digits than its factorization.

53306430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776891.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 53306430 is about 7301.1252557397. The cubic root of 53306430 is about 376.3511083921.

Adding to 53306430 its reverse (3460335), we get a palindrome (56766765).

The spelling of 53306430 in words is "fifty-three million, three hundred six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1776881 3553762 5330643 8884405 10661286 17768810 26653215 53306430