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103801812 = 2238650151
BaseRepresentation
bin1100010111111…
…10001111010100
321020022200022120
412023332033110
5203033124222
614144455540
72400205122
oct613761724
9236280276
10103801812
1153658924
122a91a5b0
13186750ba
14db00912
1591a615c
hex62fe3d4

103801812 has 12 divisors (see below), whose sum is σ = 242204256. Its totient is φ = 34600600.

The previous prime is 103801811. The next prime is 103801837. The reversal of 103801812 is 218108301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103801811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325064 + ... + 4325087.

It is an arithmetic number, because the mean of its divisors is an integer number (20183688).

Almost surely, 2103801812 is an apocalyptic number.

103801812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103801812 is an abundant number, since it is smaller than the sum of its proper divisors (138402444).

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

103801812 is a wasteful number, since it uses less digits than its factorization.

103801812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8650158 (or 8650156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 103801812 is about 10188.3174273282. The cubic root of 103801812 is about 469.9680255900.

The spelling of 103801812 in words is "one hundred three million, eight hundred one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 8650151 17300302 25950453 34600604 51900906 103801812