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13745500 = 225337743
BaseRepresentation
bin110100011011…
…110101011100
3221212100021121
4310123311130
512004324000
61210340324
7224556226
oct64336534
927770247
1013745500
11783921a
12472a6a4
132b03642
141b7b416
151317b1a
hexd1bd5c

13745500 has 48 divisors (see below), whose sum is σ = 30873024. Its totient is φ = 5342400.

The previous prime is 13745491. The next prime is 13745521. The reversal of 13745500 is 554731.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 18129 + ... + 18871.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 213745500 is an apocalyptic number.

13745500 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 13745500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436512).

13745500 is an abundant number, since it is smaller than the sum of its proper divisors (17127524).

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

13745500 is a wasteful number, since it uses less digits than its factorization.

13745500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 13745500 is about 3707.4924140179. The cubic root of 13745500 is about 239.5448549841.

The spelling of 13745500 in words is "thirteen million, seven hundred forty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 125 148 185 250 370 500 740 743 925 1486 1850 2972 3700 3715 4625 7430 9250 14860 18500 18575 27491 37150 54982 74300 92875 109964 137455 185750 274910 371500 549820 687275 1374550 2749100 3436375 6872750 13745500