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1393282961 = 7673295751
BaseRepresentation
bin101001100001011…
…1100111110010001
310121002201002220122
41103002330332101
510323140023321
6350130520025
746345465310
oct12302747621
93532632818
101393282961
11655521124
1232a736015
131928692b5
14d3084277
15824b98ab
hex530bcf91

1393282961 has 8 divisors (see below), whose sum is σ = 1594694784. Its totient is φ = 1192464000.

The previous prime is 1393282927. The next prime is 1393282973. The reversal of 1393282961 is 1692823931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1393282961 - 26 = 1393282897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393282361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143165 + ... + 152586.

It is an arithmetic number, because the mean of its divisors is an integer number (199336848).

Almost surely, 21393282961 is an apocalyptic number.

It is an amenable number.

1393282961 is a deficient number, since it is larger than the sum of its proper divisors (201411823).

1393282961 is an equidigital number, since it uses as much as digits as its factorization.

1393282961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296431.

The product of its digits is 139968, while the sum is 44.

The square root of 1393282961 is about 37326.7057346346. The cubic root of 1393282961 is about 1116.8969594780.

The spelling of 1393282961 in words is "one billion, three hundred ninety-three million, two hundred eighty-two thousand, nine hundred sixty-one".

Divisors: 1 7 673 4711 295751 2070257 199040423 1393282961