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402141213 = 33191574993
BaseRepresentation
bin10111111110000…
…011000000011101
31001000200220001000
4113332003000131
51310422004323
6103523140513
712652100235
oct2776030035
91030626030
10402141213
11196aa8711
12b2814739
13654110a6
143b5a0cc5
1525487e43
hex17f8301d

402141213 has 32 divisors (see below), whose sum is σ = 631241600. Its totient is φ = 252315648.

The previous prime is 402141199. The next prime is 402141241. The reversal of 402141213 is 312141204.

It is not a de Polignac number, because 402141213 - 28 = 402140957 is a prime.

It is a super-2 number, since 2×4021412132 = 323435110386222738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402141253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78045 + ... + 83037.

It is an arithmetic number, because the mean of its divisors is an integer number (19726300).

Almost surely, 2402141213 is an apocalyptic number.

It is an amenable number.

402141213 is a deficient number, since it is larger than the sum of its proper divisors (229100387).

402141213 is a wasteful number, since it uses less digits than its factorization.

402141213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 402141213 is about 20053.4588787072. The cubic root of 402141213 is about 738.1186767968.

Adding to 402141213 its reverse (312141204), we get a palindrome (714282417).

Subtracting from 402141213 its reverse (312141204), we obtain a palindrome (90000009).

The spelling of 402141213 in words is "four hundred two million, one hundred forty-one thousand, two hundred thirteen".

Divisors: 1 3 9 19 27 57 157 171 471 513 1413 2983 4239 4993 8949 14979 26847 44937 80541 94867 134811 284601 783901 853803 2351703 2561409 7055109 14894119 21165327 44682357 134047071 402141213