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2471342740 = 2251011223437
BaseRepresentation
bin1001001101001101…
…1011001010010100
320101020021012220121
42103103123022110
520030130431430
61045121241324
7115146031606
oct22323331224
96336235817
102471342740
111059010419
1258b793244
133050076a9
14196311176
15e6e69a7a
hex934db294

2471342740 has 24 divisors (see below), whose sum is σ = 5241208392. Its totient is φ = 978748800.

The previous prime is 2471342681. The next prime is 2471342743. The reversal of 2471342740 is 472431742.

It can be written as a sum of positive squares in 4 ways, for example, as 1544018436 + 927324304 = 39294^2 + 30452^2 .

It is a super-2 number, since 2×24713427402 = 12215069877101415200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2471342696 and 2471342705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471342743) 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, 609699 + ... + 613738.

It is an arithmetic number, because the mean of its divisors is an integer number (218383683).

Almost surely, 22471342740 is an apocalyptic number.

2471342740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2471342740 is an abundant number, since it is smaller than the sum of its proper divisors (2769865652).

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

2471342740 is a wasteful number, since it uses less digits than its factorization.

2471342740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223547 (or 1223545 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 2471342740 is about 49712.6014205654. The cubic root of 2471342740 is about 1352.0030147395.

The spelling of 2471342740 in words is "two billion, four hundred seventy-one million, three hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 1223437 2446874 4893748 6117185 12234370 24468740 123567137 247134274 494268548 617835685 1235671370 2471342740