Search a number
-
+
20607310 = 252389597
BaseRepresentation
bin100111010011…
…1000101001110
31102202221220201
41032213011032
520233413220
62013404114
7340105423
oct116470516
942687821
1020607310
11106a5639
126a9963a
134366999
142a45d4a
151c20d0a
hex13a714e

20607310 has 16 divisors (see below), whose sum is σ = 38706336. Its totient is φ = 7884448.

The previous prime is 20607271. The next prime is 20607311. The reversal of 20607310 is 1370602.

It is a super-2 number, since 2×206073102 = 849322450872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20607311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44569 + ... + 45028.

It is an arithmetic number, because the mean of its divisors is an integer number (2419146).

Almost surely, 220607310 is an apocalyptic number.

20607310 is a deficient number, since it is larger than the sum of its proper divisors (18099026).

20607310 is a wasteful number, since it uses less digits than its factorization.

20607310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89627.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 20607310 is about 4539.5275084528. The cubic root of 20607310 is about 274.1619001624.

Adding to 20607310 its reverse (1370602), we get a palindrome (21977912).

The spelling of 20607310 in words is "twenty million, six hundred seven thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 115 230 89597 179194 447985 895970 2060731 4121462 10303655 20607310