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2087585990 = 25729822657
BaseRepresentation
bin111110001101110…
…0000100011000110
312101111011100121122
41330123200203012
513233410222430
6543052113542
7102506121350
oct17433404306
95344140548
102087585990
1198142a286
124a31658b2
132736625a9
1415b3780d0
15c3413ee5
hex7c6e08c6

2087585990 has 16 divisors (see below), whose sum is σ = 4294462752. Its totient is φ = 715743744.

The previous prime is 2087585987. The next prime is 2087586013. The reversal of 2087585990 is 995857802.

It is a congruent number.

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, 14911259 + ... + 14911398.

It is an arithmetic number, because the mean of its divisors is an integer number (268403922).

Almost surely, 22087585990 is an apocalyptic number.

2087585990 is an abundant number, since it is smaller than the sum of its proper divisors (2206876762).

2087585990 is a wasteful number, since it uses less digits than its factorization.

2087585990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29822671.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The square root of 2087585990 is about 45690.1082292437. The cubic root of 2087585990 is about 1278.0508235956.

The spelling of 2087585990 in words is "two billion, eighty-seven million, five hundred eighty-five thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 29822657 59645314 149113285 208758599 298226570 417517198 1043792995 2087585990