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20484607 = 1113143249
BaseRepresentation
bin100111000100…
…1000111111111
31102112201121011
41032021013333
520221001412
62011020051
7336054613
oct116110777
942481534
1020484607
1110621430
126a3a627
134322b90
142a13343
151be97a7
hex13891ff

20484607 has 8 divisors (see below), whose sum is σ = 24066000. Its totient is φ = 17189760.

The previous prime is 20484599. The next prime is 20484617. The reversal of 20484607 is 70648402.

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 20484607 - 23 = 20484599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71482 + ... + 71767.

It is an arithmetic number, because the mean of its divisors is an integer number (3008250).

Almost surely, 220484607 is an apocalyptic number.

20484607 is a deficient number, since it is larger than the sum of its proper divisors (3581393).

20484607 is a wasteful number, since it uses less digits than its factorization.

20484607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143273.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 20484607 is about 4525.9923773687. The cubic root of 20484607 is about 273.6166651885.

The spelling of 20484607 in words is "twenty million, four hundred eighty-four thousand, six hundred seven".

Divisors: 1 11 13 143 143249 1575739 1862237 20484607