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10243212 = 2237197619
BaseRepresentation
bin100111000100…
…110010001100
3201021102001020
4213010302030
510110240322
61003314140
7153031410
oct47046214
921242036
1010243212
115866971
12351b950
132178495
141508d40
15d7505c
hex9c4c8c

10243212 has 48 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 2907072.

The previous prime is 10243201. The next prime is 10243213. The reversal of 10243212 is 21234201.

It is a junction number, because it is equal to n+sod(n) for n = 10243191 and 10243200.

It is not an unprimeable number, because it can be changed into a prime (10243213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16239 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (572880).

Almost surely, 210243212 is an apocalyptic number.

10243212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13749120).

10243212 is an abundant number, since it is smaller than the sum of its proper divisors (17255028).

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

10243212 is a wasteful number, since it uses less digits than its factorization.

10243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10243212 is about 3200.5018356502. The cubic root of 10243212 is about 217.1761119264.

Adding to 10243212 its reverse (21234201), we get a palindrome (31477413).

The spelling of 10243212 in words is "ten million, two hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 197 394 591 619 788 1182 1238 1379 1857 2364 2476 2758 3714 4137 4333 5516 7428 8274 8666 12999 16548 17332 25998 51996 121943 243886 365829 487772 731658 853601 1463316 1707202 2560803 3414404 5121606 10243212