Search a number
-
+
420538083 = 37892231009
BaseRepresentation
bin11001000100001…
…110011011100011
31002022022112210120
4121010032123203
51330124204313
6105421331323
713264341360
oct3104163343
91068275716
10420538083
111a6423539
12b8a06b43
1369182904
143dbcd467
1526dbdd23
hex1910e6e3

420538083 has 32 divisors (see below), whose sum is σ = 651571200. Its totient is φ = 236307456.

The previous prime is 420538051. The next prime is 420538091. The reversal of 420538083 is 380835024.

It is not a de Polignac number, because 420538083 - 25 = 420538051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420538583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416283 + ... + 417291.

It is an arithmetic number, because the mean of its divisors is an integer number (20361600).

Almost surely, 2420538083 is an apocalyptic number.

420538083 is a deficient number, since it is larger than the sum of its proper divisors (231033117).

420538083 is a wasteful number, since it uses less digits than its factorization.

420538083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 420538083 is about 20507.0252108881. The cubic root of 420538083 is about 749.2069145384.

The spelling of 420538083 in words is "four hundred twenty million, five hundred thirty-eight thousand, eighty-three".

Divisors: 1 3 7 21 89 223 267 623 669 1009 1561 1869 3027 4683 7063 19847 21189 59541 89801 138929 225007 269403 416787 628607 675021 1575049 1885821 4725147 20025623 60076869 140179361 420538083