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13954040 = 235348851
BaseRepresentation
bin110101001110…
…101111111000
3222020221100022
4311032233320
512033012130
61215030012
7226415222
oct65165770
928227308
1013954040
117970971
12480b308
132b77539
141bd3412
1513597e5
hexd4ebf8

13954040 has 16 divisors (see below), whose sum is σ = 31396680. Its totient is φ = 5581600.

The previous prime is 13954033. The next prime is 13954081. The reversal of 13954040 is 4045931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174386 + ... + 174465.

Almost surely, 213954040 is an apocalyptic number.

13954040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13954040 is an abundant number, since it is smaller than the sum of its proper divisors (17442640).

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

13954040 is a wasteful number, since it uses less digits than its factorization.

13954040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348862 (or 348858 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13954040 is about 3735.5106745932. The cubic root of 13954040 is about 240.7501988599.

Adding to 13954040 its reverse (4045931), we get a palindrome (17999971).

The spelling of 13954040 in words is "thirteen million, nine hundred fifty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 348851 697702 1395404 1744255 2790808 3488510 6977020 13954040