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213142054 = 2293674863
BaseRepresentation
bin11001011010001…
…00101000100110
3112212001201221011
430231010220212
5414031021204
633052212434
75165451256
oct1455045046
9485051834
10213142054
11aa349864
125b46a11a
1335209078
1420443966
1513aa3304
hexcb44a26

213142054 has 8 divisors (see below), whose sum is σ = 330737760. Its totient is φ = 102896136.

The previous prime is 213142051. The next prime is 213142063. The reversal of 213142054 is 450241312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2131420543 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213142051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837374 + ... + 1837489.

It is an arithmetic number, because the mean of its divisors is an integer number (41342220).

Almost surely, 2213142054 is an apocalyptic number.

213142054 is a deficient number, since it is larger than the sum of its proper divisors (117595706).

213142054 is a wasteful number, since it uses less digits than its factorization.

213142054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674894.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 213142054 is about 14599.3853980228. The cubic root of 213142054 is about 597.3419961170.

Adding to 213142054 its reverse (450241312), we get a palindrome (663383366).

The spelling of 213142054 in words is "two hundred thirteen million, one hundred forty-two thousand, fifty-four".

Divisors: 1 2 29 58 3674863 7349726 106571027 213142054