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487320 = 233531131
BaseRepresentation
bin1110110111110011000
3220202110220
41312332120
5111043240
614240040
74066521
oct1667630
9822426
10487320
11303149
121b6020
13140a72
14c9848
15995d0
hex76f98

487320 has 64 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 124800.

The previous prime is 487313. The next prime is 487349. The reversal of 487320 is 23784.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2487320 is an apocalyptic number.

487320 is a gapful number since it is divisible by the number (40) 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 487320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760320).

487320 is an abundant number, since it is smaller than the sum of its proper divisors (1033320).

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

487320 is a wasteful number, since it uses less digits than its factorization.

487320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 487320 is about 698.0830896104. The cubic root of 487320 is about 78.6933581104.

The spelling of 487320 in words is "four hundred eighty-seven thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 131 155 186 248 262 310 372 393 465 524 620 655 744 786 930 1048 1240 1310 1572 1860 1965 2620 3144 3720 3930 4061 5240 7860 8122 12183 15720 16244 20305 24366 32488 40610 48732 60915 81220 97464 121830 162440 243660 487320