Search a number
-
+
426903920 = 24523232013
BaseRepresentation
bin11001011100100…
…000100101110000
31002202021222002022
4121130200211300
51333241411140
6110210011012
713402423562
oct3134404560
91082258068
10426903920
111a9a81263
12bab76a68
136a5a1291
14409a9332
152772a0b5
hex19720970

426903920 has 40 divisors (see below), whose sum is σ = 1035710496. Its totient is φ = 163336448.

The previous prime is 426903877. The next prime is 426903947. The reversal of 426903920 is 29309624.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4269039202 = 364493913822732800, 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 7 ways as a sum of consecutive naturals, for example, 114167 + ... + 117846.

Almost surely, 2426903920 is an apocalyptic number.

426903920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426903920 is an abundant number, since it is smaller than the sum of its proper divisors (608806576).

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

426903920 is a wasteful number, since it uses less digits than its factorization.

426903920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232049 (or 232043 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 426903920 is about 20661.6533704348. The cubic root of 426903920 is about 752.9683372076.

The spelling of 426903920 in words is "four hundred twenty-six million, nine hundred three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 232013 464026 928052 1160065 1856104 2320130 3712208 4640260 5336299 9280520 10672598 18561040 21345196 26681495 42690392 53362990 85380784 106725980 213451960 426903920