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1418322157 = 71279071759
BaseRepresentation
bin101010010001001…
…1110000011101101
310122211211020020021
41110202132003231
510401042302112
6352423322141
750101353010
oct12442360355
93584736207
101418322157
1166867347a
12336bb0351
13197ac52a5
14d6521377
15847b3907
hex5489e0ed

1418322157 has 16 divisors (see below), whose sum is σ = 1636433920. Its totient is φ = 1204117488.

The previous prime is 1418322133. The next prime is 1418322161. The reversal of 1418322157 is 7512238141.

It is not a de Polignac number, because 1418322157 - 219 = 1417797869 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 (1418322107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805444 + ... + 807202.

It is an arithmetic number, because the mean of its divisors is an integer number (102277120).

Almost surely, 21418322157 is an apocalyptic number.

It is an amenable number.

1418322157 is a deficient number, since it is larger than the sum of its proper divisors (218111763).

1418322157 is a wasteful number, since it uses less digits than its factorization.

1418322157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its digits is 13440, while the sum is 34.

The square root of 1418322157 is about 37660.6181176040. The cubic root of 1418322157 is about 1123.5479952563.

The spelling of 1418322157 in words is "one billion, four hundred eighteen million, three hundred twenty-two thousand, one hundred fifty-seven".

Divisors: 1 7 127 889 907 1759 6349 12313 115189 223393 806323 1563751 1595413 11167891 202617451 1418322157