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13552345 = 54166109
BaseRepresentation
bin110011101100…
…101011011001
3221111112022201
4303230223121
511432133340
61202250201
7223123132
oct63545331
927445281
1013552345
117717094
124656961
132a66751
141b2ac89
1512ca79a
hexcecad9

13552345 has 8 divisors (see below), whose sum is σ = 16659720. Its totient is φ = 10577280.

The previous prime is 13552337. The next prime is 13552351. The reversal of 13552345 is 54325531.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 13344409 = 456^2 + 3653^2 .

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

It is not a de Polignac number, because 13552345 - 23 = 13552337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32850 + ... + 33259.

It is an arithmetic number, because the mean of its divisors is an integer number (2082465).

Almost surely, 213552345 is an apocalyptic number.

It is an amenable number.

13552345 is a deficient number, since it is larger than the sum of its proper divisors (3107375).

13552345 is an equidigital number, since it uses as much as digits as its factorization.

13552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66155.

The product of its digits is 9000, while the sum is 28.

The square root of 13552345 is about 3681.3509748461. The cubic root of 13552345 is about 238.4175109223.

Adding to 13552345 its reverse (54325531), we get a palindrome (67877876).

The spelling of 13552345 in words is "thirteen million, five hundred fifty-two thousand, three hundred forty-five".

Divisors: 1 5 41 205 66109 330545 2710469 13552345