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2045463431 = 11437359239
BaseRepresentation
bin111100111101011…
…0100101110000111
312021112220022022212
41321322310232013
513142114312211
6534545214035
7101455103144
oct17172645607
95245808285
102045463431
1195a679a50
1249103131b
13267a048bb
141559313cb
15be89338b
hex79eb4b87

2045463431 has 16 divisors (see below), whose sum is σ = 2314625280. Its totient is φ = 1791357120.

The previous prime is 2045463419. The next prime is 2045463463. The reversal of 2045463431 is 1343645402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2045463431 is a prime.

It is a super-2 number, since 2×20454634312 = 8367841295116583522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045463401) 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, 4910 + ... + 64148.

It is an arithmetic number, because the mean of its divisors is an integer number (144664080).

Almost surely, 22045463431 is an apocalyptic number.

2045463431 is a deficient number, since it is larger than the sum of its proper divisors (269161849).

2045463431 is a wasteful number, since it uses less digits than its factorization.

2045463431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59366.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2045463431 is about 45226.7999199590. The cubic root of 2045463431 is about 1269.3963343066.

The spelling of 2045463431 in words is "two billion, forty-five million, four hundred sixty-three thousand, four hundred thirty-one".

Divisors: 1 11 43 73 473 803 3139 34529 59239 651629 2547277 4324447 28020047 47568917 185951221 2045463431