Search a number
-
+
1394953920 = 26335161453
BaseRepresentation
bin101001100100101…
…0100111011000000
310121012212000001000
41103021110323000
510324102011140
6350230412000
746365625023
oct12311247300
93535760030
101394953920
11656462588
1232b201000
13193002a29
14d339b1ba
15826e9a30
hex53254ec0

1394953920 has 112 divisors (see below), whose sum is σ = 4921117920. Its totient is φ = 371985408.

The previous prime is 1394953919. The next prime is 1394953939. The reversal of 1394953920 is 293594931.

1394953920 is a `hidden beast` number, since 1 + 3 + 94 + 9 + 539 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 15 ways as a sum of consecutive naturals, for example, 72087 + ... + 89366.

Almost surely, 21394953920 is an apocalyptic number.

1394953920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394953920 is an abundant number, since it is smaller than the sum of its proper divisors (3526164000).

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

1394953920 is a wasteful number, since it uses less digits than its factorization.

1394953920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161479 (or 161463 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 1394953920 is about 37349.0819164273. The cubic root of 1394953920 is about 1117.3432778731.

The spelling of 1394953920 in words is "one billion, three hundred ninety-four million, nine hundred fifty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2880 4320 8640 161453 322906 484359 645812 807265 968718 1291624 1453077 1614530 1937436 2421795 2583248 2906154 3229060 3874872 4359231 4843590 5166496 5812308 6458120 7265385 7749744 8718462 9687180 10332992 11624616 12916240 14530770 15499488 17436924 19374360 21796155 23249232 25832480 29061540 30998976 34873848 38748720 43592310 46498464 51664960 58123080 69747696 77497440 87184620 92996928 116246160 139495392 154994880 174369240 232492320 278990784 348738480 464984640 697476960 1394953920