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103020212 = 2225755053
BaseRepresentation
bin1100010001111…
…11011010110100
321011211222011102
412020333122310
5202333121322
614120025232
72360441321
oct610773264
9234758142
10103020212
1153174679
122a602218
1318460409
14d979b48
15909e792
hex623f6b4

103020212 has 6 divisors (see below), whose sum is σ = 180285378. Its totient is φ = 51510104.

The previous prime is 103020157. The next prime is 103020227. The reversal of 103020212 is 212020301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 27920656 = 8666^2 + 5284^2 .

It is a super-2 number, since 2×1030202122 = 21226328161049888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103020193 and 103020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12877523 + ... + 12877530.

It is an arithmetic number, because the mean of its divisors is an integer number (30047563).

Almost surely, 2103020212 is an apocalyptic number.

It is an amenable number.

103020212 is a deficient number, since it is larger than the sum of its proper divisors (77265166).

103020212 is a wasteful number, since it uses less digits than its factorization.

103020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755057 (or 25755055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103020212 is about 10149.8872900146. The cubic root of 103020212 is about 468.7854744827.

Adding to 103020212 its reverse (212020301), we get a palindrome (315040513).

The spelling of 103020212 in words is "one hundred three million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 25755053 51510106 103020212