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13423900 = 22527127151
BaseRepresentation
bin110011001101…
…010100011100
3221021000010111
4303031110130
511414031100
61155415404
7222046510
oct63152434
927230114
1013423900
117639636
1245b4564
132a20149
141ad6140
1512a26ba
hexccd51c

13423900 has 72 divisors (see below), whose sum is σ = 33775616. Its totient is φ = 4536000.

The previous prime is 13423877. The next prime is 13423901. The reversal of 13423900 is 932431.

13423900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88825 + ... + 88975.

Almost surely, 213423900 is an apocalyptic number.

13423900 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 13423900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16887808).

13423900 is an abundant number, since it is smaller than the sum of its proper divisors (20351716).

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

13423900 is a wasteful number, since it uses less digits than its factorization.

13423900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13423900 is about 3663.8640804484. The cubic root of 13423900 is about 237.6619025338.

The spelling of 13423900 in words is "thirteen million, four hundred twenty-three thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 127 140 151 175 254 302 350 508 604 635 700 755 889 1057 1270 1510 1778 2114 2540 3020 3175 3556 3775 4228 4445 5285 6350 7550 8890 10570 12700 15100 17780 19177 21140 22225 26425 38354 44450 52850 76708 88900 95885 105700 134239 191770 268478 383540 479425 536956 671195 958850 1342390 1917700 2684780 3355975 6711950 13423900