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2140302430 = 25739777017
BaseRepresentation
bin111111110010010…
…0110110001011110
312112011100121222101
41333210212301132
513340404134210
6552214035314
7104016161530
oct17744466136
95464317871
102140302430
119a9165992
124b8948b3a
1328155c256
1416437b850
15c7d78a3a
hex7f926c5e

2140302430 has 32 divisors (see below), whose sum is σ = 4414055616. Its totient is φ = 731960064.

The previous prime is 2140302427. The next prime is 2140302433. The reversal of 2140302430 is 342030412.

It is an interprime number because it is at equal distance from previous prime (2140302427) and next prime (2140302433).

It is a junction number, because it is equal to n+sod(n) for n = 2140302398 and 2140302407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140302433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10719 + ... + 66298.

It is an arithmetic number, because the mean of its divisors is an integer number (137939238).

Almost surely, 22140302430 is an apocalyptic number.

2140302430 is an abundant number, since it is smaller than the sum of its proper divisors (2273753186).

2140302430 is a wasteful number, since it uses less digits than its factorization.

2140302430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77428.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2140302430 is about 46263.4027066752. The cubic root of 2140302430 is about 1288.7194451442.

Adding to 2140302430 its reverse (342030412), we get a palindrome (2482332842).

The spelling of 2140302430 in words is "two billion, one hundred forty million, three hundred two thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 397 794 1985 2779 3970 5558 13895 27790 77017 154034 385085 539119 770170 1078238 2695595 5391190 30575749 61151498 152878745 214030243 305757490 428060486 1070151215 2140302430