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22480472 = 2372291753
BaseRepresentation
bin101010111000…
…0011001011000
31120022010102002
41111300121120
521223333342
62121500132
7362036510
oct125603130
946263362
1022480472
1111764a03
127641648
134871471
142db2840
151e90d32
hex1570658

22480472 has 32 divisors (see below), whose sum is σ = 48410400. Its totient is φ = 9586944.

The previous prime is 22480463. The next prime is 22480483. The reversal of 22480472 is 27408422.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11948 + ... + 13700.

It is an arithmetic number, because the mean of its divisors is an integer number (1512825).

Almost surely, 222480472 is an apocalyptic number.

It is an amenable number.

22480472 is an abundant number, since it is smaller than the sum of its proper divisors (25929928).

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

22480472 is a wasteful number, since it uses less digits than its factorization.

22480472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 22480472 is about 4741.3576114864. The cubic root of 22480472 is about 282.2291114619.

Adding to 22480472 its reverse (27408422), we get a palindrome (49888894).

The spelling of 22480472 in words is "twenty-two million, four hundred eighty thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 229 458 916 1603 1753 1832 3206 3506 6412 7012 12271 12824 14024 24542 49084 98168 401437 802874 1605748 2810059 3211496 5620118 11240236 22480472