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20472114 = 23131715439
BaseRepresentation
bin100111000011…
…0000100110010
31102112002110110
41032012010302
520220101424
62010442150
7336003315
oct116060462
942462413
1020472114
1110613003
126a33356
13431a2a0
142a0c97c
151be5c29
hex1386132

20472114 has 32 divisors (see below), whose sum is σ = 46690560. Its totient is φ = 5928192.

The previous prime is 20472113. The next prime is 20472143. The reversal of 20472114 is 41127402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20472113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6394 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (1459080).

Almost surely, 220472114 is an apocalyptic number.

20472114 is an abundant number, since it is smaller than the sum of its proper divisors (26218446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20472114 is a wasteful number, since it uses less digits than its factorization.

20472114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15474.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20472114 is about 4524.6120275666. The cubic root of 20472114 is about 273.5610301102.

Adding to 20472114 its reverse (41127402), we get a palindrome (61599516).

The spelling of 20472114 in words is "twenty million, four hundred seventy-two thousand, one hundred fourteen".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 15439 30878 46317 92634 200707 262463 401414 524926 602121 787389 1204242 1574778 3412019 6824038 10236057 20472114