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2520076840 = 235711078293
BaseRepresentation
bin1001011000110101…
…0101001000101000
320111121222011112021
42112031111020220
520130114424330
61054021554224
7116310204541
oct22615251050
96447864467
102520076840
111083577036
125a3b75974
1331213b838
1419c9994c8
15eb39467a
hex96355228

2520076840 has 64 divisors (see below), whose sum is σ = 5804472960. Its totient is φ = 984426240.

The previous prime is 2520076763. The next prime is 2520076859. The reversal of 2520076840 is 486700252.

It is a junction number, because it is equal to n+sod(n) for n = 2520076796 and 2520076805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299734 + ... + 308026.

It is an arithmetic number, because the mean of its divisors is an integer number (90694890).

Almost surely, 22520076840 is an apocalyptic number.

2520076840 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 2520076840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902236480).

2520076840 is an abundant number, since it is smaller than the sum of its proper divisors (3284396120).

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

2520076840 is a wasteful number, since it uses less digits than its factorization.

2520076840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482 (or 8478 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2520076840 is about 50200.3669309299. The cubic root of 2520076840 is about 1360.8322544373.

The spelling of 2520076840 in words is "two billion, five hundred twenty million, seventy-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 71 107 142 214 284 355 428 535 568 710 856 1070 1420 2140 2840 4280 7597 8293 15194 16586 30388 33172 37985 41465 60776 66344 75970 82930 151940 165860 303880 331720 588803 887351 1177606 1774702 2355212 2944015 3549404 4436755 4710424 5888030 7098808 8873510 11776060 17747020 23552120 35494040 63001921 126003842 252007684 315009605 504015368 630019210 1260038420 2520076840