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13752061 = 29716679
BaseRepresentation
bin110100011101…
…011011111101
3221212200021121
4310131123331
512010031221
61210430541
7224614321
oct64353375
927780247
1013752061
117843144
124732451
132b0661b
141b7d981
151319a41
hexd1d6fd

13752061 has 8 divisors (see below), whose sum is σ = 14428800. Its totient is φ = 13088880.

The previous prime is 13752047. The next prime is 13752073. The reversal of 13752061 is 16025731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13752061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13752001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (1803600).

Almost surely, 213752061 is an apocalyptic number.

It is an amenable number.

13752061 is a deficient number, since it is larger than the sum of its proper divisors (676739).

13752061 is an equidigital number, since it uses as much as digits as its factorization.

13752061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13752061 is about 3708.3771383181. The cubic root of 13752061 is about 239.5829620931.

Adding to 13752061 its reverse (16025731), we get a palindrome (29777792).

The spelling of 13752061 in words is "thirteen million, seven hundred fifty-two thousand, sixty-one".

Divisors: 1 29 71 2059 6679 193691 474209 13752061