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402226055 = 57211149249
BaseRepresentation
bin10111111110010…
…111101110000111
31001000212012102022
4113332113232013
51310432213210
6103525033355
712652602500
oct2776275607
91030765368
10402226055
11197056430
12b285585b
13654408aa
143b5c3ba7
15254a3155
hex17f97b87

402226055 has 24 divisors (see below), whose sum is σ = 612522000. Its totient is φ = 250736640.

The previous prime is 402226049. The next prime is 402226061. The reversal of 402226055 is 550622204.

It is an interprime number because it is at equal distance from previous prime (402226049) and next prime (402226061).

It is not a de Polignac number, because 402226055 - 216 = 402160519 is a prime.

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, 71930 + ... + 77319.

It is an arithmetic number, because the mean of its divisors is an integer number (25521750).

Almost surely, 2402226055 is an apocalyptic number.

402226055 is a deficient number, since it is larger than the sum of its proper divisors (210295945).

402226055 is a wasteful number, since it uses less digits than its factorization.

402226055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149279 (or 149272 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 402226055 is about 20055.5741628107. The cubic root of 402226055 is about 738.1705815003.

Adding to 402226055 its reverse (550622204), we get a palindrome (952848259).

The spelling of 402226055 in words is "four hundred two million, two hundred twenty-six thousand, fifty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 2695 149249 746245 1044743 1641739 5223715 7313201 8208695 11492173 36566005 57460865 80445211 402226055