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2487401868 = 2237471574013
BaseRepresentation
bin1001010001000010…
…1011110110001100
320102100111002220010
42110100223312030
520043233324433
61050453353220
7115432365330
oct22420536614
96370432803
102487401868
111067089926
12595038810
1330843b133
141984d17c0
15e858ce63
hex9442bd8c

2487401868 has 96 divisors (see below), whose sum is σ = 6819047424. Its totient is φ = 690962688.

The previous prime is 2487401857. The next prime is 2487401881. The reversal of 2487401868 is 8681047842.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617830 + ... + 621842.

It is an arithmetic number, because the mean of its divisors is an integer number (71031744).

Almost surely, 22487401868 is an apocalyptic number.

2487401868 is a gapful number since it is divisible by the number (28) 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 2487401868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3409523712).

2487401868 is an abundant number, since it is smaller than the sum of its proper divisors (4331645556).

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

2487401868 is a wasteful number, since it uses less digits than its factorization.

2487401868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 2487401868 is about 49873.8595659089. The cubic root of 2487401868 is about 1354.9251953275.

The spelling of 2487401868 in words is "two billion, four hundred eighty-seven million, four hundred one thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 157 188 282 314 329 471 564 628 658 942 987 1099 1316 1884 1974 2198 3297 3948 4013 4396 6594 7379 8026 12039 13188 14758 16052 22137 24078 28091 29516 44274 48156 51653 56182 84273 88548 103306 112364 154959 168546 188611 206612 309918 337092 377222 565833 619836 630041 754444 1131666 1260082 1320277 1890123 2263332 2520164 2640554 3780246 3960831 4410287 5281108 7560492 7921662 8820574 13230861 15843324 17641148 26461722 29611927 52923444 59223854 88835781 118447708 177671562 207283489 355343124 414566978 621850467 829133956 1243700934 2487401868