Search a number
-
+
64130735 = 519964453
BaseRepresentation
bin1111010010100…
…0111010101111
311110200011211102
43310220322233
5112404140420
610210313315
71406050034
oct364507257
9143604742
1064130735
1133222409
121958883b
13103951a6
14873538b
15596ba75
hex3d28eaf

64130735 has 8 divisors (see below), whose sum is σ = 77344800. Its totient is φ = 51045984.

The previous prime is 64130713. The next prime is 64130741. The reversal of 64130735 is 53703146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64130735 - 212 = 64126639 is a prime.

It is a super-2 number, since 2×641307352 = 8225502343280450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64130698 and 64130707.

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, 31232 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (9668100).

Almost surely, 264130735 is an apocalyptic number.

64130735 is a deficient number, since it is larger than the sum of its proper divisors (13214065).

64130735 is a wasteful number, since it uses less digits than its factorization.

64130735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64657.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 64130735 is about 8008.1667689928. The cubic root of 64130735 is about 400.2721793373.

The spelling of 64130735 in words is "sixty-four million, one hundred thirty thousand, seven hundred thirty-five".

Divisors: 1 5 199 995 64453 322265 12826147 64130735