Search a number
-
+
1138480294 = 2781320021
BaseRepresentation
bin100001111011011…
…1101010010100110
32221100020210100211
41003312331102212
54312422332134
6304545330034
740132631350
oct10366752246
92840223324
101138480294
11534708106
1227933691a
13151b348a3
14ab2b80d0
1569e37764
hex43dbd4a6

1138480294 has 8 divisors (see below), whose sum is σ = 1951680528. Its totient is φ = 487920120.

The previous prime is 1138480267. The next prime is 1138480349. The reversal of 1138480294 is 4920848311.

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

It is a super-2 number, since 2×11384802942 = 2592274759652652872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40659997 + ... + 40660024.

It is an arithmetic number, because the mean of its divisors is an integer number (243960066).

Almost surely, 21138480294 is an apocalyptic number.

1138480294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1138480294 is a deficient number, since it is larger than the sum of its proper divisors (813200234).

1138480294 is an equidigital number, since it uses as much as digits as its factorization.

1138480294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81320030.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1138480294 is about 33741.3736234908. The cubic root of 1138480294 is about 1044.1795240128.

The spelling of 1138480294 in words is "one billion, one hundred thirty-eight million, four hundred eighty thousand, two hundred ninety-four".

Divisors: 1 2 7 14 81320021 162640042 569240147 1138480294