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101244 = 223111359
BaseRepresentation
bin11000101101111100
312010212210
4120231330
511214434
62100420
7601113
oct305574
9163783
10101244
116a080
124a710
1337110
1428c7a
151eee9
hex18b7c

101244 has 48 divisors (see below), whose sum is σ = 282240. Its totient is φ = 27840.

The previous prime is 101221. The next prime is 101267. The reversal of 101244 is 442101.

It is an interprime number because it is at equal distance from previous prime (101221) and next prime (101267).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (5880).

2101244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141120).

101244 is an abundant number, since it is smaller than the sum of its proper divisors (180996).

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

101244 is a wasteful number, since it uses less digits than its factorization.

101244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 101244 is about 318.1886233039. The cubic root of 101244 is about 46.6075669096.

Adding to 101244 its reverse (442101), we get a palindrome (543345).

The spelling of 101244 in words is "one hundred one thousand, two hundred forty-four", and thus it is an iban number.

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 59 66 78 118 132 143 156 177 236 286 354 429 572 649 708 767 858 1298 1534 1716 1947 2301 2596 3068 3894 4602 7788 8437 9204 16874 25311 33748 50622 101244