Search a number
-
+
474990386 = 213219371999
BaseRepresentation
bin11100010011111…
…100011100110010
31020002210000022112
4130103330130302
51433044143021
6115044405322
714525231423
oct3423743462
91202700275
10474990386
11224135342
121130a6842
1377539700
144712564a
152ba77d5b
hex1c4fc732

474990386 has 48 divisors (see below), whose sum is σ = 834480000. Its totient is φ = 201973824.

The previous prime is 474990377. The next prime is 474990407. The reversal of 474990386 is 683099474.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236615 + ... + 238613.

It is an arithmetic number, because the mean of its divisors is an integer number (17385000).

Almost surely, 2474990386 is an apocalyptic number.

474990386 is a deficient number, since it is larger than the sum of its proper divisors (359489614).

474990386 is a wasteful number, since it uses less digits than its factorization.

474990386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 474990386 is about 21794.2741563008. The cubic root of 474990386 is about 780.2401112630.

The spelling of 474990386 in words is "four hundred seventy-four million, nine hundred ninety thousand, three hundred eighty-six".

Divisors: 1 2 13 19 26 37 38 74 169 247 338 481 494 703 962 1406 1999 3211 3998 6253 6422 9139 12506 18278 25987 37981 51974 73963 75962 118807 147926 237614 337831 493753 675662 961519 987506 1405297 1923038 2810594 6418789 12499747 12837578 18268861 24999494 36537722 237495193 474990386