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14021370 = 2335114721
BaseRepresentation
bin110101011111…
…001011111010
3222101100201000
4311133023322
512042140440
61220305430
7230115426
oct65371372
928340630
1014021370
117a07510
124842276
132b9c08c
141c0db86
15136e730
hexd5f2fa

14021370 has 64 divisors (see below), whose sum is σ = 40798080. Its totient is φ = 3398400.

The previous prime is 14021363. The next prime is 14021383. The reversal of 14021370 is 7312041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (637470).

Almost surely, 214021370 is an apocalyptic number.

14021370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14021370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20399040).

14021370 is an abundant number, since it is smaller than the sum of its proper divisors (26776710).

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

14021370 is a wasteful number, since it uses less digits than its factorization.

14021370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 14021370 is about 3744.5119842244. The cubic root of 14021370 is about 241.1367944087.

It can be divided in two parts, 1402 and 1370, that added together give a palindrome (2772).

The spelling of 14021370 in words is "fourteen million, twenty-one thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 4721 9442 14163 23605 28326 42489 47210 51931 70815 84978 103862 127467 141630 155793 212445 254934 259655 311586 424890 467379 519310 637335 778965 934758 1274670 1402137 1557930 2336895 2804274 4673790 7010685 14021370