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14101428 = 22311317337
BaseRepresentation
bin110101110010…
…101110110100
3222112102112010
4311302232310
512102221203
61222124220
7230601015
oct65625664
928472463
1014101428
117a61680
124880670
132bc9653
141c3100c
151388303
hexd72bb4

14101428 has 48 divisors (see below), whose sum is σ = 36114624. Its totient is φ = 4247040.

The previous prime is 14101387. The next prime is 14101447. The reversal of 14101428 is 82410141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41676 + ... + 42012.

It is an arithmetic number, because the mean of its divisors is an integer number (752388).

Almost surely, 214101428 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 14101428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18057312).

14101428 is an abundant number, since it is smaller than the sum of its proper divisors (22013196).

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

14101428 is a wasteful number, since it uses less digits than its factorization.

14101428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 14101428 is about 3755.1868129296. The cubic root of 14101428 is about 241.5948643339.

Adding to 14101428 its reverse (82410141), we get a palindrome (96511569).

The spelling of 14101428 in words is "fourteen million, one hundred one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 317 337 634 674 951 1011 1268 1348 1902 2022 3487 3707 3804 4044 6974 7414 10461 11121 13948 14828 20922 22242 41844 44484 106829 213658 320487 427316 640974 1175119 1281948 2350238 3525357 4700476 7050714 14101428