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14997822 = 2372139367
BaseRepresentation
bin111001001101…
…100100111110
31001012222010220
4321031210332
512314412242
61253242210
7241323300
oct71154476
931188126
1014997822
1185140a4
125033366
133151668
141dc5970
1514b3bec
hexe4d93e

14997822 has 48 divisors (see below), whose sum is σ = 35239680. Its totient is φ = 4242672.

The previous prime is 14997803. The next prime is 14997833. The reversal of 14997822 is 22879941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40683 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (734160).

Almost surely, 214997822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14997822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17619840).

14997822 is an abundant number, since it is smaller than the sum of its proper divisors (20241858).

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

14997822 is a wasteful number, since it uses less digits than its factorization.

14997822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 518 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 14997822 is about 3872.7021574090. The cubic root of 14997822 is about 246.6092703888.

The spelling of 14997822 in words is "fourteen million, nine hundred ninety-seven thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 139 147 278 294 367 417 734 834 973 1101 1946 2202 2569 2919 5138 5838 6811 7707 13622 15414 17983 20433 35966 40866 51013 53949 102026 107898 153039 306078 357091 714182 1071273 2142546 2499637 4999274 7498911 14997822