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107212 = 2272547
BaseRepresentation
bin11010001011001100
312110001211
4122023030
511412322
62144204
7624400
oct321314
9173054
10107212
1173606
1252064
1339a51
142b100
1521b77
hex1a2cc

107212 has 18 divisors (see below), whose sum is σ = 218652. Its totient is φ = 45864.

The previous prime is 107209. The next prime is 107227. The reversal of 107212 is 212701.

It is a super-2 number, since 2×1072122 = 22988825888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 107192 and 107201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78 + ... + 469.

2107212 is an apocalyptic number.

It is an amenable number.

107212 is an abundant number, since it is smaller than the sum of its proper divisors (111440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107212 is a wasteful number, since it uses less digits than its factorization.

107212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 107212 is about 327.4324357787. The cubic root of 107212 is about 47.5059272382.

Adding to 107212 its reverse (212701), we get a palindrome (319913).

The spelling of 107212 in words is "one hundred seven thousand, two hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 7 14 28 49 98 196 547 1094 2188 3829 7658 15316 26803 53606 107212