Search a number
-
+
1940904700 = 225272396103
BaseRepresentation
bin111001110101111…
…1101101011111100
312000021011011201021
41303223331223330
512433332422300
6520332153524
766045263200
oct16353755374
95007134637
101940904700
11906654479
124620088a4
1324c156127
14145ab4b00
15b55dcd1a
hex73afdafc

1940904700 has 54 divisors (see below), whose sum is σ = 4899410376. Its totient is φ = 665451360.

The previous prime is 1940904689. The next prime is 1940904727. The reversal of 1940904700 is 74090491.

It is a super-2 number, since 2×19409047002 = 7534222108964180000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 193152 + ... + 202951.

Almost surely, 21940904700 is an apocalyptic number.

1940904700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940904700 is an abundant number, since it is smaller than the sum of its proper divisors (2958505676).

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

1940904700 is a wasteful number, since it uses less digits than its factorization.

1940904700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396131 (or 396117 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1940904700 is about 44055.6999717403. The cubic root of 1940904700 is about 1247.3875465399.

The spelling of 1940904700 in words is "one billion, nine hundred forty million, nine hundred four thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 396103 792206 1584412 1980515 2772721 3961030 5545442 7922060 9902575 11090884 13863605 19409047 19805150 27727210 38818094 39610300 55454420 69318025 77636188 97045235 138636050 194090470 277272100 388180940 485226175 970452350 1940904700