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490730160 = 243517120277
BaseRepresentation
bin11101001111111…
…111001010110000
31021012101200020010
4131033333022300
52001111331120
6120410014520
715106065114
oct3517771260
91235350203
10490730160
11232005918
12118417440
137a88a99b
1449261744
152d1367e0
hex1d3ff2b0

490730160 has 80 divisors (see below), whose sum is σ = 1610762976. Its totient is φ = 123162624.

The previous prime is 490730137. The next prime is 490730161. The reversal of 490730160 is 61037094.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (490730161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56059 + ... + 64218.

Almost surely, 2490730160 is an apocalyptic number.

490730160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490730160 is an abundant number, since it is smaller than the sum of its proper divisors (1120032816).

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

490730160 is a wasteful number, since it uses less digits than its factorization.

490730160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120310 (or 120304 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 490730160 is about 22152.4301150009. The cubic root of 490730160 is about 788.7649129901.

The spelling of 490730160 in words is "four hundred ninety million, seven hundred thirty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 120277 240554 360831 481108 601385 721662 962216 1202770 1443324 1804155 1924432 2044709 2405540 2886648 3608310 4089418 4811080 5773296 6134127 7216620 8178836 9622160 10223545 12268254 14433240 16357672 20447090 24536508 28866480 30670635 32715344 40894180 49073016 61341270 81788360 98146032 122682540 163576720 245365080 490730160