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5231145294 = 233753712853
BaseRepresentation
bin1001101111100110…
…01111000101001110
3111111120022201022000
410313303033011032
541203133122134
62223025333130
7243430000314
oct46763170516
914446281260
105231145294
112244932981
12101ba971a6
136549cc25b
14378a700b4
152093b3e99
hex137ccf14e

5231145294 has 32 divisors (see below), whose sum is σ = 11627214240. Its totient is φ = 1743348096.

The previous prime is 5231145253. The next prime is 5231145299. The reversal of 5231145294 is 4925411325.

5231145294 is a `hidden beast` number, since 52 + 311 + 4 + 5 + 294 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231145299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400572 + ... + 413424.

It is an arithmetic number, because the mean of its divisors is an integer number (363350445).

Almost surely, 25231145294 is an apocalyptic number.

5231145294 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5231145294 is an abundant number, since it is smaller than the sum of its proper divisors (6396068946).

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

5231145294 is a wasteful number, since it uses less digits than its factorization.

5231145294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401 (or 20395 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5231145294 is about 72326.6568700642. The cubic root of 5231145294 is about 1735.9302089122.

The spelling of 5231145294 in words is "five billion, two hundred thirty-one million, one hundred forty-five thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 7537 12853 15074 22611 25706 38559 45222 67833 77118 115677 135666 203499 231354 347031 406998 694062 96873061 193746122 290619183 581238366 871857549 1743715098 2615572647 5231145294