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13732227 = 331393659
BaseRepresentation
bin110100011000…
…100110000011
3221211200002000
4310120212003
512003412402
61210155043
7224502435
oct64304603
927750060
1013732227
11782a253
124722a83
132aca5a2
141b76655
151313c1c
hexd18983

13732227 has 16 divisors (see below), whose sum is σ = 20496000. Its totient is φ = 9086472.

The previous prime is 13732211. The next prime is 13732237. The reversal of 13732227 is 72223731.

It is a happy number.

It is not a de Polignac number, because 13732227 - 24 = 13732211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13732227.

It is not an unprimeable number, because it can be changed into a prime (13732207) 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, 1924 + ... + 5582.

It is an arithmetic number, because the mean of its divisors is an integer number (1281000).

Almost surely, 213732227 is an apocalyptic number.

13732227 is a deficient number, since it is larger than the sum of its proper divisors (6763773).

13732227 is a wasteful number, since it uses less digits than its factorization.

13732227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807 (or 3801 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 13732227 is about 3705.7019577942. The cubic root of 13732227 is about 239.4677266438.

Adding to 13732227 its reverse (72223731), we get a palindrome (85955958).

It can be divided in two parts, 1373 and 2227, that added together give a square (3600 = 602).

The spelling of 13732227 in words is "thirteen million, seven hundred thirty-two thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 139 417 1251 3659 3753 10977 32931 98793 508601 1525803 4577409 13732227