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494038020 = 223571769193
BaseRepresentation
bin11101011100100…
…110110000000100
31021102121201202110
4131130212300010
52002433204040
6121004541020
715146153040
oct3534466004
91242551673
10494038020
11233965093
12119551770
137b4784b8
1449883020
152d58b980
hex1d726c04

494038020 has 96 divisors (see below), whose sum is σ = 1673941248. Its totient is φ = 106278912.

The previous prime is 494037983. The next prime is 494038063. The reversal of 494038020 is 20830494.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27457 + ... + 41736.

It is an arithmetic number, because the mean of its divisors is an integer number (17436888).

Almost surely, 2494038020 is an apocalyptic number.

It is an amenable number.

494038020 is an abundant number, since it is smaller than the sum of its proper divisors (1179903228).

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

494038020 is a wasteful number, since it uses less digits than its factorization.

494038020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69229 (or 69227 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 494038020 is about 22226.9660547723. The cubic root of 494038020 is about 790.5332190375.

The spelling of 494038020 in words is "four hundred ninety-four million, thirty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 69193 138386 207579 276772 345965 415158 484351 691930 830316 968702 1037895 1176281 1383860 1453053 1937404 2075790 2352562 2421755 2906106 3528843 4151580 4705124 4843510 5812212 5881405 7057686 7265265 8233967 9687020 11762810 14115372 14530530 16467934 17644215 23525620 24701901 29061060 32935868 35288430 41169835 49403802 70576860 82339670 98807604 123509505 164679340 247019010 494038020