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1013970497 = 2315943783
BaseRepresentation
bin111100011011111…
…111011001000001
32121122222001000212
4330123333121001
54034034023442
6244340523505
734061415131
oct7433773101
92548861025
101013970497
114803a6051
122436b0595
131320bc057
1498946ac1
155e040a82
hex3c6ff641

1013970497 has 4 divisors (see below), whose sum is σ = 1014037440. Its totient is φ = 1013903556.

The previous prime is 1013970449. The next prime is 1013970499. The reversal of 1013970497 is 7940793101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1013970497 - 226 = 946861633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013970499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268 + ... + 45050.

It is an arithmetic number, because the mean of its divisors is an integer number (253509360).

Almost surely, 21013970497 is an apocalyptic number.

It is an amenable number.

1013970497 is a deficient number, since it is larger than the sum of its proper divisors (66943).

1013970497 is an equidigital number, since it uses as much as digits as its factorization.

1013970497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66942.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1013970497 is about 31842.9034009149. The cubic root of 1013970497 is about 1004.6353130083.

The spelling of 1013970497 in words is "one billion, thirteen million, nine hundred seventy thousand, four hundred ninety-seven".

Divisors: 1 23159 43783 1013970497