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14103990 = 233552237
BaseRepresentation
bin110101110011…
…010110110110
3222112120001000
4311303112312
512102311430
61222144130
7230611335
oct65632666
928476030
1014103990
117a6359a
124882046
132bca874
141c31d1c
151388e60
hexd735b6

14103990 has 32 divisors (see below), whose sum is σ = 37611360. Its totient is φ = 3760992.

The previous prime is 14103983. The next prime is 14103997. The reversal of 14103990 is 9930141.

It is an interprime number because it is at equal distance from previous prime (14103983) and next prime (14103997).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14103997) 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, 25849 + ... + 26388.

It is an arithmetic number, because the mean of its divisors is an integer number (1175355).

Almost surely, 214103990 is an apocalyptic number.

14103990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14103990 is an abundant number, since it is smaller than the sum of its proper divisors (23507370).

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

14103990 is a wasteful number, since it uses less digits than its factorization.

14103990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52253 (or 52247 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 14103990 is about 3755.5279256051. The cubic root of 14103990 is about 241.6094947331.

Subtracting from 14103990 its reverse (9930141), we obtain a square (4173849 = 20432).

The spelling of 14103990 in words is "fourteen million, one hundred three thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 52237 104474 156711 261185 313422 470133 522370 783555 940266 1410399 1567110 2350665 2820798 4701330 7051995 14103990