Search a number
-
+
1392500293 = 23383158077
BaseRepresentation
bin101001011111111…
…1101111001000101
310121001020100021221
41102333331321011
510322440002133
6350102040341
746336025422
oct12277757105
93531210257
101392500293
11655037098
1232a4190b1
13192653c92
14d2d1cd49
15823b2a2d
hex52ffde45

1392500293 has 8 divisors (see below), whose sum is σ = 1456846848. Its totient is φ = 1328470704.

The previous prime is 1392500267. The next prime is 1392500303. The reversal of 1392500293 is 3920052931.

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

It is a cyclic number.

It is not a de Polignac number, because 1392500293 - 29 = 1392499781 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 (1392500203) 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, 70230 + ... + 87847.

It is an arithmetic number, because the mean of its divisors is an integer number (182105856).

Almost surely, 21392500293 is an apocalyptic number.

It is an amenable number.

1392500293 is a deficient number, since it is larger than the sum of its proper divisors (64346555).

1392500293 is a wasteful number, since it uses less digits than its factorization.

1392500293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158483.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 1392500293 is about 37316.2202399975. The cubic root of 1392500293 is about 1116.6877836753.

The spelling of 1392500293 in words is "one billion, three hundred ninety-two million, five hundred thousand, two hundred ninety-three".

Divisors: 1 23 383 8809 158077 3635771 60543491 1392500293