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12542244 = 22311137309
BaseRepresentation
bin101111110110…
…000100100100
3212121012201120
4233312010210
511202322434
61124453540
7211415211
oct57660444
925535646
1012542244
1170971a0
12424a2b0
1327a1a60
141946b08
15117b349
hexbf6124

12542244 has 48 divisors (see below), whose sum is σ = 34386240. Its totient is φ = 3507840.

The previous prime is 12542237. The next prime is 12542251. The reversal of 12542244 is 44224521.

It is a happy number.

12542244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12542237) and next prime (12542251).

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, 1939 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (716380).

Almost surely, 212542244 is an apocalyptic number.

It is an amenable number.

12542244 is an abundant number, since it is smaller than the sum of its proper divisors (21843996).

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

12542244 is a wasteful number, since it uses less digits than its factorization.

12542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340 (or 7338 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 12542244 is about 3541.5030707314. The cubic root of 12542244 is about 232.3405867578.

Adding to 12542244 its reverse (44224521), we get a palindrome (56766765).

The spelling of 12542244 in words is "twelve million, five hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 286 429 572 858 1716 7309 14618 21927 29236 43854 80399 87708 95017 160798 190034 241197 285051 321596 380068 482394 570102 964788 1045187 1140204 2090374 3135561 4180748 6271122 12542244