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2640461514 = 231393598819
BaseRepresentation
bin1001110101100010…
…0011111011001010
320211000111100020220
42131120203323022
520401424232024
61114002130510
7122301360345
oct23530437312
96730440226
102640461514
1111355208a9
12618350a36
1333106b882
141b097545c
15106c23e79
hex9d623eca

2640461514 has 32 divisors (see below), whose sum is σ = 5334336000. Its totient is φ = 871288944.

The previous prime is 2640461507. The next prime is 2640461519. The reversal of 2640461514 is 4151640462.

It is a super-4 number, since 4×26404615144 (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2640461519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 294997 + ... + 303815.

It is an arithmetic number, because the mean of its divisors is an integer number (166698000).

Almost surely, 22640461514 is an apocalyptic number.

2640461514 is an abundant number, since it is smaller than the sum of its proper divisors (2693874486).

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

2640461514 is a wasteful number, since it uses less digits than its factorization.

2640461514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9322.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2640461514 is about 51385.4212204201. The cubic root of 2640461514 is about 1382.1651781043.

The spelling of 2640461514 in words is "two billion, six hundred forty million, four hundred sixty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 139 278 359 417 718 834 1077 2154 8819 17638 26457 49901 52914 99802 149703 299406 1225841 2451682 3166021 3677523 6332042 7355046 9498063 18996126 440076919 880153838 1320230757 2640461514