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115940000 = 2554111731
BaseRepresentation
bin1101110100100…
…01101010100000
322002011100210002
412322101222200
5214140040000
615300555132
72605321331
oct672215240
9262140702
10115940000
115a499490
12329b2aa8
131b034c67
1411580288
15a2a28d5
hex6e91aa0

115940000 has 240 divisors, whose sum is σ = 340091136. Its totient is φ = 38400000.

The previous prime is 115939979. The next prime is 115940003. The reversal of 115940000 is 49511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (115940003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3739985 + ... + 3740015.

Almost surely, 2115940000 is an apocalyptic number.

115940000 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 115940000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170045568).

115940000 is an abundant number, since it is smaller than the sum of its proper divisors (224151136).

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

115940000 is a wasteful number, since it uses less digits than its factorization.

115940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115940000 is about 10767.5438239182. The cubic root of 115940000 is about 487.6157954166.

Adding to 115940000 its reverse (49511), we get a palindrome (115989511).

The spelling of 115940000 in words is "one hundred fifteen million, nine hundred forty thousand".