Search a number
-
+
2421686830 = 25317811893
BaseRepresentation
bin1001000001011000…
…0000001000101110
320020202211102210211
42100112000020232
514424422434310
61040145053034
7114003666313
oct22026001056
96222742724
102421686830
111032a85182
1257702717a
132c793cab4
1418d8a6d0a
15e290bc8a
hex9058022e

2421686830 has 16 divisors (see below), whose sum is σ = 4499650944. Its totient is φ = 937427040.

The previous prime is 2421686821. The next prime is 2421686833. The reversal of 2421686830 is 386861242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421686833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3905637 + ... + 3906256.

It is an arithmetic number, because the mean of its divisors is an integer number (281228184).

Almost surely, 22421686830 is an apocalyptic number.

2421686830 is a deficient number, since it is larger than the sum of its proper divisors (2077964114).

2421686830 is a wasteful number, since it uses less digits than its factorization.

2421686830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811931.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2421686830 is about 49210.6373663256. The cubic root of 2421686830 is about 1342.8865579633.

The spelling of 2421686830 in words is "two billion, four hundred twenty-one million, six hundred eighty-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 7811893 15623786 39059465 78118930 242168683 484337366 1210843415 2421686830