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1423970375 = 5315772559
BaseRepresentation
bin101010011100000…
…0001000001000111
310200020110012010112
41110320001001013
510404014023000
6353144343235
750200356062
oct12470010107
93606405115
101423970375
11670881023
12338a74b1b
13199022129
14d71918d9
158502c235
hex54e01047

1423970375 has 16 divisors (see below), whose sum is σ = 1788458880. Its totient is φ = 1131904800.

The previous prime is 1423970357. The next prime is 1423970377. The reversal of 1423970375 is 5730793241.

It is a de Polignac number, because none of the positive numbers 2k-1423970375 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423970377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16655 + ... + 55904.

It is an arithmetic number, because the mean of its divisors is an integer number (111778680).

Almost surely, 21423970375 is an apocalyptic number.

1423970375 is a deficient number, since it is larger than the sum of its proper divisors (364488505).

1423970375 is an equidigital number, since it uses as much as digits as its factorization.

1423970375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72731 (or 72721 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1423970375 is about 37735.5319957199. The cubic root of 1423970375 is about 1125.0374637730.

The spelling of 1423970375 in words is "one billion, four hundred twenty-three million, nine hundred seventy thousand, three hundred seventy-five".

Divisors: 1 5 25 125 157 785 3925 19625 72559 362795 1813975 9069875 11391763 56958815 284794075 1423970375