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20464954 = 230833319
BaseRepresentation
bin100111000010…
…0010100111010
31102111201122021
41032010110322
520214334304
62010345054
7335643406
oct116042472
942451567
1020464954
1110608694
126a2b18a
134316c53
142a0a106
151be3a54
hex138453a

20464954 has 8 divisors (see below), whose sum is σ = 30716640. Its totient is φ = 10226076.

The previous prime is 20464937. The next prime is 20464973. The reversal of 20464954 is 45946402.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4507 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (3839580).

Almost surely, 220464954 is an apocalyptic number.

20464954 is a deficient number, since it is larger than the sum of its proper divisors (10251686).

20464954 is a wasteful number, since it uses less digits than its factorization.

20464954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 20464954 is about 4523.8207303119. The cubic root of 20464954 is about 273.5291342775.

The spelling of 20464954 in words is "twenty million, four hundred sixty-four thousand, nine hundred fifty-four".

Divisors: 1 2 3083 3319 6166 6638 10232477 20464954