Search a number
-
+
59430021 = 373538017
BaseRepresentation
bin1110001010110…
…1010010000101
311010211100122220
43202231102011
5110203230041
65521442553
71321101240
oct342552205
9133740586
1059430021
1130601722
1217aa0459
13c40a6c1
147c70257
15533dd66
hex38ad485

59430021 has 16 divisors (see below), whose sum is σ = 90827904. Its totient is φ = 33859584.

The previous prime is 59430001. The next prime is 59430037. The reversal of 59430021 is 12003495.

It is not a de Polignac number, because 59430021 - 27 = 59429893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 59429973 and 59430000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59430001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (5676744).

Almost surely, 259430021 is an apocalyptic number.

It is an amenable number.

59430021 is a deficient number, since it is larger than the sum of its proper divisors (31397883).

59430021 is a wasteful number, since it uses less digits than its factorization.

59430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 59430021 is about 7709.0869109123. The cubic root of 59430021 is about 390.2431554019.

The spelling of 59430021 in words is "fifty-nine million, four hundred thirty thousand, twenty-one".

Divisors: 1 3 7 21 353 1059 2471 7413 8017 24051 56119 168357 2830001 8490003 19810007 59430021