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212426030 = 25107198529
BaseRepresentation
bin11001010100101…
…01110100101110
3112210201100201202
430222111310232
5413340113110
633025005502
75156406605
oct1452256456
9483640652
10212426030
11a99aa903
125b183892
133501819b
14202d8a3c
15139b10a5
hexca95d2e

212426030 has 16 divisors (see below), whose sum is σ = 385942320. Its totient is φ = 84175872.

The previous prime is 212426021. The next prime is 212426057. The reversal of 212426030 is 30624212.

212426030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212425993 and 212426011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98195 + ... + 100334.

It is an arithmetic number, because the mean of its divisors is an integer number (24121395).

Almost surely, 2212426030 is an apocalyptic number.

212426030 is a deficient number, since it is larger than the sum of its proper divisors (173516290).

212426030 is a wasteful number, since it uses less digits than its factorization.

212426030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198643.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212426030 is about 14574.8423662145. The cubic root of 212426030 is about 596.6723471816.

It can be divided in two parts, 21242 and 6030, that added together give a palindrome (27272).

The spelling of 212426030 in words is "two hundred twelve million, four hundred twenty-six thousand, thirty".

Divisors: 1 2 5 10 107 214 535 1070 198529 397058 992645 1985290 21242603 42485206 106213015 212426030