Search a number
-
+
1140802740 = 22325711531553
BaseRepresentation
bin100001111111111…
…0100010010110100
32221111121210011100
41003333310102310
54314021141430
6305111210100
740161443340
oct10377642264
92844553140
101140802740
11535a53a90
1227a076930
13152468a0c
14ab720620
156a245960
hex43ff44b4

1140802740 has 288 divisors, whose sum is σ = 4398541056. Its totient is φ = 232427520.

The previous prime is 1140802721. The next prime is 1140802757. The reversal of 1140802740 is 472080411.

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 95 ways as a sum of consecutive naturals, for example, 733804 + ... + 735356.

It is an arithmetic number, because the mean of its divisors is an integer number (15272712).

Almost surely, 21140802740 is an apocalyptic number.

1140802740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140802740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199270528).

1140802740 is an abundant number, since it is smaller than the sum of its proper divisors (3257738316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140802740 is a wasteful number, since it uses less digits than its factorization.

1140802740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1140802740 is about 33775.7714937794. The cubic root of 1140802740 is about 1044.8890673815.

The spelling of 1140802740 in words is "one billion, one hundred forty million, eight hundred two thousand, seven hundred forty".