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22141470 = 2351356773
BaseRepresentation
bin101010001110…
…1101000011110
31112122220101110
41110131220132
521132011340
62110322450
7356125251
oct124355036
945586343
1022141470
111155323a
1274b9426
134783080
142d25098
151e25680
hex151da1e

22141470 has 32 divisors (see below), whose sum is σ = 57228192. Its totient is φ = 5450112.

The previous prime is 22141459. The next prime is 22141481. The reversal of 22141470 is 7414122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22141459) and next prime (22141481).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27997 + ... + 28776.

It is an arithmetic number, because the mean of its divisors is an integer number (1788381).

Almost surely, 222141470 is an apocalyptic number.

22141470 is an abundant number, since it is smaller than the sum of its proper divisors (35086722).

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

22141470 is a wasteful number, since it uses less digits than its factorization.

22141470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56796.

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

The square root of 22141470 is about 4705.4723461094. The cubic root of 22141470 is about 280.8032631255.

Adding to 22141470 its reverse (7414122), we get a palindrome (29555592).

The spelling of 22141470 in words is "twenty-two million, one hundred forty-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 56773 113546 170319 283865 340638 567730 738049 851595 1476098 1703190 2214147 3690245 4428294 7380490 11070735 22141470