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20482870 = 2513714951
BaseRepresentation
bin100111000100…
…0101100110110
31102112122012211
41032020230312
520220422440
62011004034
7336046552
oct116105466
942478184
1020482870
11106200a1
126a3961a
134322155
142a12862
151be8eea
hex1388b36

20482870 has 16 divisors (see below), whose sum is σ = 37140768. Its totient is φ = 8132800.

The previous prime is 20482859. The next prime is 20482873. The reversal of 20482870 is 7828402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482873) 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, 6106 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (2321298).

Almost surely, 220482870 is an apocalyptic number.

20482870 is a deficient number, since it is larger than the sum of its proper divisors (16657898).

20482870 is a wasteful number, since it uses less digits than its factorization.

20482870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20482870 is about 4525.8004816828. The cubic root of 20482870 is about 273.6089311603.

The spelling of 20482870 in words is "twenty million, four hundred eighty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 137 274 685 1370 14951 29902 74755 149510 2048287 4096574 10241435 20482870