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13048450 = 252260969
BaseRepresentation
bin110001110001…
…101010000010
3220112221002221
4301301222002
511320022300
61143401254
7215624062
oct61615202
926487087
1013048450
117402548
12445322a
13291b29c
141a393a2
15122b31a
hexc71a82

13048450 has 12 divisors (see below), whose sum is σ = 24270210. Its totient is φ = 5219360.

The previous prime is 13048433. The next prime is 13048487. The reversal of 13048450 is 5484031.

It can be written as a sum of positive squares in 3 ways, for example, as 9840769 + 3207681 = 3137^2 + 1791^2 .

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

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, 130435 + ... + 130534.

Almost surely, 213048450 is an apocalyptic number.

13048450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13048450 is a deficient number, since it is larger than the sum of its proper divisors (11221760).

13048450 is a wasteful number, since it uses less digits than its factorization.

13048450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260981 (or 260976 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13048450 is about 3612.2638331108. The cubic root of 13048450 is about 235.4252147504.

The spelling of 13048450 in words is "thirteen million, forty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 260969 521938 1304845 2609690 6524225 13048450