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13601140 = 225797151
BaseRepresentation
bin110011111000…
…100101110100
3221121000020221
4303320211310
511440214030
61203304124
7223415320
oct63704564
927530227
1013601140
11774a813
12467b044
132a82a17
141b40980
1512d9e7a
hexcf8974

13601140 has 24 divisors (see below), whose sum is σ = 32643072. Its totient is φ = 4663200.

The previous prime is 13601123. The next prime is 13601143. The reversal of 13601140 is 4110631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48436 + ... + 48715.

It is an arithmetic number, because the mean of its divisors is an integer number (1360128).

Almost surely, 213601140 is an apocalyptic number.

13601140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601140 is an abundant number, since it is smaller than the sum of its proper divisors (19041932).

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

13601140 is a wasteful number, since it uses less digits than its factorization.

13601140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97167 (or 97165 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13601140 is about 3687.9723426295. The cubic root of 13601140 is about 238.7033076640.

Adding to 13601140 its reverse (4110631), we get a palindrome (17711771).

It can be divided in two parts, 1360 and 1140, that added together give a square (2500 = 502).

The spelling of 13601140 in words is "thirteen million, six hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 97151 194302 388604 485755 680057 971510 1360114 1943020 2720228 3400285 6800570 13601140