Search a number
-
+
1242012 = 223294383
BaseRepresentation
bin100101111001110011100
32100002201110
410233032130
5304221022
642342020
713362012
oct4571634
92302643
101242012
11779162
124ba910
13346425
142448b2
1519800c
hex12f39c

1242012 has 48 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 385728.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242012 is 2102421.

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, 14923 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

21242012 is an apocalyptic number.

1242012 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 1242012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552320).

1242012 is an abundant number, since it is smaller than the sum of its proper divisors (1862628).

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

1242012 is a wasteful number, since it uses less digits than its factorization.

1242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 160 counting only the distinct ones).

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

The square root of 1242012 is about 1114.4559210664. The cubic root of 1242012 is about 107.4917823176.

Adding to 1242012 its reverse (2102421), we get a palindrome (3344433).

It can be divided in two parts, 12 and 42012, that added together give a palindrome (42024).

The spelling of 1242012 in words is "one million, two hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 29 43 58 83 86 87 116 129 166 172 174 249 258 332 348 498 516 996 1247 2407 2494 3569 3741 4814 4988 7138 7221 7482 9628 10707 14276 14442 14964 21414 28884 42828 103501 207002 310503 414004 621006 1242012