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14353040 = 2451337373
BaseRepresentation
bin110110110000…
…001010010000
31000000012200002
4312300022100
512133244130
61231345132
7232666412
oct66601220
930005602
1014353040
118113719
1249821a8
132c87030
141c989b2
1513d7b45
hexdb0290

14353040 has 80 divisors (see below), whose sum is σ = 37008048. Its totient is φ = 5142528.

The previous prime is 14353039. The next prime is 14353043. The reversal of 14353040 is 4035341.

It can be written as a sum of positive squares in 8 ways, for example, as 4096 + 14348944 = 64^2 + 3788^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14353043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38294 + ... + 38666.

Almost surely, 214353040 is an apocalyptic number.

14353040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14353040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18504024).

14353040 is an abundant number, since it is smaller than the sum of its proper divisors (22655008).

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

14353040 is a wasteful number, since it uses less digits than its factorization.

14353040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 14353040 is about 3788.5406161212. The cubic root of 14353040 is about 243.0233286663.

Adding to 14353040 its reverse (4035341), we get a palindrome (18388381).

The spelling of 14353040 in words is "fourteen million, three hundred fifty-three thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 37 40 52 65 74 80 104 130 148 185 208 260 296 370 373 481 520 592 740 746 962 1040 1480 1492 1865 1924 2405 2960 2984 3730 3848 4810 4849 5968 7460 7696 9620 9698 13801 14920 19240 19396 24245 27602 29840 38480 38792 48490 55204 69005 77584 96980 110408 138010 179413 193960 220816 276020 358826 387920 552040 717652 897065 1104080 1435304 1794130 2870608 3588260 7176520 14353040