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68426212 = 22412231871
BaseRepresentation
bin1000001010000…
…01100111100100
311202202102010011
410011001213210
5120004114322
610442340004
71460420221
oct405014744
9152672104
1068426212
1135696698
121aaba604
131123a3aa
149132948
156019677
hex41419e4

68426212 has 24 divisors (see below), whose sum is σ = 123282432. Its totient is φ = 33211200.

The previous prime is 68426161. The next prime is 68426213. The reversal of 68426212 is 21262486.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68426213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35637 + ... + 37507.

It is an arithmetic number, because the mean of its divisors is an integer number (5136768).

Almost surely, 268426212 is an apocalyptic number.

It is an amenable number.

68426212 is a deficient number, since it is larger than the sum of its proper divisors (54856220).

68426212 is a wasteful number, since it uses less digits than its factorization.

68426212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2137 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 68426212 is about 8272.0137814199. The cubic root of 68426212 is about 409.0165044960.

Adding to 68426212 its reverse (21262486), we get a palindrome (89688698).

It can be divided in two parts, 684 and 26212, that added together give a square (26896 = 1642).

The spelling of 68426212 in words is "sixty-eight million, four hundred twenty-six thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 223 446 892 1871 3742 7484 9143 18286 36572 76711 153422 306844 417233 834466 1668932 17106553 34213106 68426212