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14620620 = 2235724973
BaseRepresentation
bin110111110001…
…011111001100
31000111210201110
4313301133030
512220324440
61241212020
7235162500
oct67613714
930453643
1014620620
118286763
124a91010
13304ba71
141d28300
15143c080
hexdf17cc

14620620 has 72 divisors (see below), whose sum is σ = 47631024. Its totient is φ = 3341184.

The previous prime is 14620607. The next prime is 14620631. The reversal of 14620620 is 2602641.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (661542).

Almost surely, 214620620 is an apocalyptic number.

14620620 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 14620620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23815512).

14620620 is an abundant number, since it is smaller than the sum of its proper divisors (33010404).

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

14620620 is a wasteful number, since it uses less digits than its factorization.

14620620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 14620620 is about 3823.6919331975. The cubic root of 14620620 is about 244.5242468249.

The spelling of 14620620 in words is "fourteen million, six hundred twenty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 4973 9946 14919 19892 24865 29838 34811 49730 59676 69622 74595 99460 104433 139244 149190 174055 208866 243677 298380 348110 417732 487354 522165 696220 731031 974708 1044330 1218385 1462062 2088660 2436770 2924124 3655155 4873540 7310310 14620620