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103680400 = 2452259201
BaseRepresentation
bin1100010111000…
…00100110010000
321020002111202211
412023200212100
5203020233100
614142121504
72366161135
oct613404620
9236074684
10103680400
115358568a
122a880294
1318631a65
14daac58c
1591801ba
hex62e0990

103680400 has 30 divisors (see below), whose sum is σ = 249093122. Its totient is φ = 41472000.

The previous prime is 103680383. The next prime is 103680403. The reversal of 103680400 is 4086301.

It can be written as a sum of positive squares in 3 ways, for example, as 2396304 + 101284096 = 1548^2 + 10064^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103680403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129201 + ... + 130000.

Almost surely, 2103680400 is an apocalyptic number.

103680400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103680400 is an abundant number, since it is smaller than the sum of its proper divisors (145412722).

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

103680400 is a wasteful number, since it uses less digits than its factorization.

103680400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259219 (or 259208 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 103680400 is about 10182.3572909224. The cubic root of 103680400 is about 469.7847210857.

The spelling of 103680400 in words is "one hundred three million, six hundred eighty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 259201 518402 1036804 1296005 2073608 2592010 4147216 5184020 6480025 10368040 12960050 20736080 25920100 51840200 103680400