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2421204144 = 243166730259
BaseRepresentation
bin1001000001010000…
…1010010010110000
320020201220220200120
42100110022102300
514424312013034
61040130450240
7113666616132
oct22024122260
96221826616
102421204144
111032785567
12576a33980
132c7801198
1418d7bd052
15e2863c49
hex9050a4b0

2421204144 has 40 divisors (see below), whose sum is σ = 6258736320. Its totient is φ = 806557248.

The previous prime is 2421204127. The next prime is 2421204161. The reversal of 2421204144 is 4414021242.

It is an interprime number because it is at equal distance from previous prime (2421204127) and next prime (2421204161).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64887 + ... + 95145.

It is an arithmetic number, because the mean of its divisors is an integer number (156468408).

Almost surely, 22421204144 is an apocalyptic number.

2421204144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2421204144 is an abundant number, since it is smaller than the sum of its proper divisors (3837532176).

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

2421204144 is a wasteful number, since it uses less digits than its factorization.

2421204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31937 (or 31931 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2421204144 is about 49205.7328367336. The cubic root of 2421204144 is about 1342.7973315058.

Adding to 2421204144 its reverse (4414021242), we get a palindrome (6835225386).

The spelling of 2421204144 in words is "two billion, four hundred twenty-one million, two hundred four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1667 3334 5001 6668 10002 13336 20004 26672 30259 40008 60518 80016 90777 121036 181554 242072 363108 484144 726216 1452432 50441753 100883506 151325259 201767012 302650518 403534024 605301036 807068048 1210602072 2421204144