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14105780 = 22513227239
BaseRepresentation
bin110101110011…
…110010110100
3222112122111022
4311303302310
512102341110
61222200312
7230616503
oct65636264
928478438
1014105780
117a64977
124883098
132bcb620
141c3283a
151389755
hexd73cb4

14105780 has 48 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 5163648.

The previous prime is 14105759. The next prime is 14105789. The reversal of 14105780 is 8750141.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14105789) 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, 58901 + ... + 59139.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 214105780 is an apocalyptic number.

14105780 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 14105780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

14105780 is an abundant number, since it is smaller than the sum of its proper divisors (18069580).

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

14105780 is a wasteful number, since it uses less digits than its factorization.

14105780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 14105780 is about 3755.7662334070. The cubic root of 14105780 is about 241.6197155453.

The spelling of 14105780 in words is "fourteen million, one hundred five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 227 239 260 454 478 908 956 1135 1195 2270 2390 2951 3107 4540 4780 5902 6214 11804 12428 14755 15535 29510 31070 54253 59020 62140 108506 217012 271265 542530 705289 1085060 1410578 2821156 3526445 7052890 14105780