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13807101 = 371159771
BaseRepresentation
bin110100101010…
…110111111101
3221222110210010
4310222313331
512013311401
61211533433
7225233640
oct64526775
927873703
1013807101
117880530
12475a279
132b256a9
141b95a57
15132aed6
hexd2adfd

13807101 has 16 divisors (see below), whose sum is σ = 22952448. Its totient is φ = 7172400.

The previous prime is 13807099. The next prime is 13807109. The reversal of 13807101 is 10170831.

It is not a de Polignac number, because 13807101 - 21 = 13807099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13807109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29655 + ... + 30116.

It is an arithmetic number, because the mean of its divisors is an integer number (1434528).

Almost surely, 213807101 is an apocalyptic number.

13807101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13807101 is a deficient number, since it is larger than the sum of its proper divisors (9145347).

13807101 is a wasteful number, since it uses less digits than its factorization.

13807101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59792.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 13807101 is about 3715.7907637541. The cubic root of 13807101 is about 239.9021649845.

Adding to 13807101 its reverse (10170831), we get a palindrome (23977932).

The spelling of 13807101 in words is "thirteen million, eight hundred seven thousand, one hundred one".

Divisors: 1 3 7 11 21 33 77 231 59771 179313 418397 657481 1255191 1972443 4602367 13807101