Search a number
-
+
1325387390 = 25659201121
BaseRepresentation
bin100111011111111…
…1100111001111110
310102100221122200212
41032333330321332
510203244344030
6335303352422
744562415115
oct11677747176
93370848625
101325387390
11620168188
1230ba52712
131817865c2
14c804cc7c
157b557595
hex4effce7e

1325387390 has 16 divisors (see below), whose sum is σ = 2389329360. Its totient is φ = 529347840.

The previous prime is 1325387381. The next prime is 1325387411. The reversal of 1325387390 is 937835231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93971 + ... + 107150.

It is an arithmetic number, because the mean of its divisors is an integer number (149333085).

Almost surely, 21325387390 is an apocalyptic number.

1325387390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325387390 is a deficient number, since it is larger than the sum of its proper divisors (1063941970).

1325387390 is a wasteful number, since it uses less digits than its factorization.

1325387390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201787.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1325387390 is about 36405.8702684059. The cubic root of 1325387390 is about 1098.4516480199.

The spelling of 1325387390 in words is "one billion, three hundred twenty-five million, three hundred eighty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 659 1318 3295 6590 201121 402242 1005605 2011210 132538739 265077478 662693695 1325387390