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487320130 = 251117421619
BaseRepresentation
bin11101000010111…
…110101001000010
31020221222102112201
4131002332221002
51444223221010
6120204543414
715035103253
oct3502765102
91227872481
10487320130
11230096910
12117251b6a
1379c6580b
1448a14b2a
152cbb123a
hex1d0bea42

487320130 has 64 divisors (see below), whose sum is σ = 1017256320. Its totient is φ = 166118400.

The previous prime is 487320121. The next prime is 487320173. The reversal of 487320130 is 31023784.

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, 786961 + ... + 787579.

It is an arithmetic number, because the mean of its divisors is an integer number (15894630).

Almost surely, 2487320130 is an apocalyptic number.

487320130 is an abundant number, since it is smaller than the sum of its proper divisors (529936190).

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

487320130 is a wasteful number, since it uses less digits than its factorization.

487320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 487320130 is about 22075.3285366266. The cubic root of 487320130 is about 786.9336510797.

The spelling of 487320130 in words is "four hundred eighty-seven million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 421 619 842 935 1238 1870 2105 3095 4210 4631 6190 6809 7157 9262 10523 13618 14314 21046 23155 34045 35785 46310 52615 68090 71570 78727 105230 115753 157454 231506 260599 393635 521198 578765 787270 1157530 1302995 2605990 2866589 4430183 5733178 8860366 14332945 22150915 28665890 44301830 48732013 97464026 243660065 487320130