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13345500 = 2235373141
BaseRepresentation
bin110010111010…
…001011011100
3221010000120210
4302322023130
511404024000
61154012420
7221302110
oct62721334
927100523
1013345500
117595743
124577110
1329c355c
141ab5740
151289350
hexcba2dc

13345500 has 192 divisors, whose sum is σ = 46964736. Its totient is φ = 2880000.

The previous prime is 13345499. The next prime is 13345511. The reversal of 13345500 is 554331.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325480 + ... + 325520.

It is an arithmetic number, because the mean of its divisors is an integer number (244608).

Almost surely, 213345500 is an apocalyptic number.

13345500 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 13345500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23482368).

13345500 is an abundant number, since it is smaller than the sum of its proper divisors (33619236).

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

13345500 is a wasteful number, since it uses less digits than its factorization.

13345500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13345500 is about 3653.1493262663. The cubic root of 13345500 is about 237.1983242642.

Adding to 13345500 its reverse (554331), we get a palindrome (13899831).

The spelling of 13345500 in words is "thirteen million, three hundred forty-five thousand, five hundred".