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13948376 = 2313711889
BaseRepresentation
bin110101001101…
…010111011000
3222020122120112
4311031113120
512032322001
61214543452
7226362551
oct65152730
928218515
1013948376
117967692
124807b88
132b74aa0
141bd1328
151357cbb
hexd4d5d8

13948376 has 32 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 6343680.

The previous prime is 13948343. The next prime is 13948379. The reversal of 13948376 is 67384931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13948379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 213948376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13948376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14288400).

13948376 is an abundant number, since it is smaller than the sum of its proper divisors (14628424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13948376 is a wasteful number, since it uses less digits than its factorization.

13948376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 13948376 is about 3734.7524683706. The cubic root of 13948376 is about 240.7176206325.

The spelling of 13948376 in words is "thirteen million, nine hundred forty-eight thousand, three hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 1889 3692 3778 7384 7556 15112 24557 49114 98228 134119 196456 268238 536476 1072952 1743547 3487094 6974188 13948376