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1418225 = 52174771
BaseRepresentation
bin101011010001111110001
32200001102212
411122033301
5330340400
650221505
715024524
oct5321761
92601385
101418225
11889596
12584895
133a86b3
1428cbbb
151d0335
hex15a3f1

1418225 has 24 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 1030400.

The previous prime is 1418213. The next prime is 1418233. The reversal of 1418225 is 5228141.

It is not a de Polignac number, because 1418225 - 26 = 1418161 is a prime.

It is a super-2 number, since 2×14182252 = 4022724301250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1418225.

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, 19940 + ... + 20010.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

21418225 is an apocalyptic number.

It is an amenable number.

1418225 is a deficient number, since it is larger than the sum of its proper divisors (510223).

1418225 is a wasteful number, since it uses less digits than its factorization.

1418225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 140 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1418225 is about 1190.8925224385. The cubic root of 1418225 is about 112.3522339814.

The spelling of 1418225 in words is "one million, four hundred eighteen thousand, two hundred twenty-five".

Divisors: 1 5 17 25 47 71 85 235 355 425 799 1175 1207 1775 3337 3995 6035 16685 19975 30175 56729 83425 283645 1418225