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13380550 = 252267611
BaseRepresentation
bin110011000010…
…101111000110
3221011210122221
4303002233012
511411134200
61154442554
7221506231
oct63025706
927153587
1013380550
11760a007
12459345a
132a064b1
141ac4418
15129491a
hexcc2bc6

13380550 has 12 divisors (see below), whose sum is σ = 24887916. Its totient is φ = 5352200.

The previous prime is 13380529. The next prime is 13380583. The reversal of 13380550 is 5508331.

It is a happy number.

13380550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133756 + ... + 133855.

It is an arithmetic number, because the mean of its divisors is an integer number (2073993).

Almost surely, 213380550 is an apocalyptic number.

13380550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13380550 is a deficient number, since it is larger than the sum of its proper divisors (11507366).

13380550 is a wasteful number, since it uses less digits than its factorization.

13380550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267623 (or 267618 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13380550 is about 3657.9434112627. The cubic root of 13380550 is about 237.4057982826.

Adding to 13380550 its reverse (5508331), we get a palindrome (18888881).

The spelling of 13380550 in words is "thirteen million, three hundred eighty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 267611 535222 1338055 2676110 6690275 13380550