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20496470 = 252049647
BaseRepresentation
bin100111000110…
…0000001010110
31102120022212112
41032030001112
520221341340
62011151022
7336134321
oct116140126
942508775
1020496470
111062a335
126a45472
1343283b7
142a177b8
151bed065
hex138c056

20496470 has 8 divisors (see below), whose sum is σ = 36893664. Its totient is φ = 8198584.

The previous prime is 20496467. The next prime is 20496479. The reversal of 20496470 is 7469402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024814 + ... + 1024833.

It is an arithmetic number, because the mean of its divisors is an integer number (4611708).

Almost surely, 220496470 is an apocalyptic number.

20496470 is a deficient number, since it is larger than the sum of its proper divisors (16397194).

20496470 is a wasteful number, since it uses less digits than its factorization.

20496470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049654.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20496470 is about 4527.3027289988. The cubic root of 20496470 is about 273.6694737536.

The spelling of 20496470 in words is "twenty million, four hundred ninety-six thousand, four hundred seventy".

Divisors: 1 2 5 10 2049647 4099294 10248235 20496470