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13923100 = 2252375371
BaseRepresentation
bin110101000111…
…001100011100
3222012100220101
4311013030130
512031014400
61214230444
7226226062
oct65071434
928170811
1013923100
11794a6a4
1247b5424
132b66429
141bc6032
15135056a
hexd4731c

13923100 has 72 divisors (see below), whose sum is σ = 32060448. Its totient is φ = 5241600.

The previous prime is 13923083. The next prime is 13923101. The reversal of 13923100 is 132931.

13923100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139231002 = 387705427220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923101) 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, 196065 + ... + 196135.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 213923100 is an apocalyptic number.

13923100 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 13923100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16030224).

13923100 is an abundant number, since it is smaller than the sum of its proper divisors (18137348).

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

13923100 is a wasteful number, since it uses less digits than its factorization.

13923100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13923100 is about 3731.3670417154. The cubic root of 13923100 is about 240.5721303983.

The spelling of 13923100 in words is "thirteen million, nine hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 37 50 53 71 74 100 106 142 148 185 212 265 284 355 370 530 710 740 925 1060 1325 1420 1775 1850 1961 2627 2650 3550 3700 3763 3922 5254 5300 7100 7526 7844 9805 10508 13135 15052 18815 19610 26270 37630 39220 49025 52540 65675 75260 94075 98050 131350 139231 188150 196100 262700 278462 376300 556924 696155 1392310 2784620 3480775 6961550 13923100