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2470071240 = 2333571341613
BaseRepresentation
bin1001001100111010…
…0100101111001000
320101010212121202000
42103032210233020
520024314234430
61045034111000
7115132154610
oct22316445710
96333777660
102470071240
11105832209a
1258b27b460
13304980a20
1419609da40
15e6cb7e60
hex933a4bc8

2470071240 has 512 divisors, whose sum is σ = 10397721600. Its totient is φ = 507617280.

The previous prime is 2470071221. The next prime is 2470071311. The reversal of 2470071240 is 421700742.

It is a happy number.

It is a super-2 number, since 2×24700712402 = 12202503861350275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4029174 + ... + 4029786.

It is an arithmetic number, because the mean of its divisors is an integer number (20308050).

Almost surely, 22470071240 is an apocalyptic number.

2470071240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2470071240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5198860800).

2470071240 is an abundant number, since it is smaller than the sum of its proper divisors (7927650360).

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

2470071240 is a wasteful number, since it uses less digits than its factorization.

2470071240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 2470071240 is about 49699.8112672473. The cubic root of 2470071240 is about 1351.7711075109.

Adding to 2470071240 its reverse (421700742), we get a palindrome (2891771982).

The spelling of 2470071240 in words is "two billion, four hundred seventy million, seventy-one thousand, two hundred forty".