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20014472 = 233137993
BaseRepresentation
bin100110001011…
…0010110001000
31101122211200202
41030112112020
520110430342
61552551332
7332056142
oct114262610
941584622
1020014472
1110330195
126852548
1341b9baa
14292dc92
151b55332
hex1316588

20014472 has 16 divisors (see below), whose sum is σ = 37651740. Its totient is φ = 9974016.

The previous prime is 20014469. The next prime is 20014481. The reversal of 20014472 is 27441002.

It can be written as a sum of positive squares in 2 ways, for example, as 13734436 + 6280036 = 3706^2 + 2506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 6500.

Almost surely, 220014472 is an apocalyptic number.

It is an amenable number.

20014472 is a deficient number, since it is larger than the sum of its proper divisors (17637268).

20014472 is a wasteful number, since it uses less digits than its factorization.

20014472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 20014472 is about 4473.7536811944. The cubic root of 20014472 is about 271.5072176270.

Adding to 20014472 its reverse (27441002), we get a palindrome (47455474).

The spelling of 20014472 in words is "twenty million, fourteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 313 626 1252 2504 7993 15986 31972 63944 2501809 5003618 10007236 20014472