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115450000 = 24552309
BaseRepresentation
bin1101110000110…
…10000010010000
322001020110121221
412320122002100
5214023400000
615242254424
72601210631
oct670320220
9261213557
10115450000
115a194326
12327b7414
131abc2c13
1411493888
15a20761a
hex6e1a090

115450000 has 60 divisors (see below), whose sum is σ = 279708660. Its totient is φ = 46160000.

The previous prime is 115449991. The next prime is 115450019. The reversal of 115450000 is 54511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 77158656 + 38291344 = 8784^2 + 6188^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48846 + ... + 51154.

It is an arithmetic number, because the mean of its divisors is an integer number (4661811).

Almost surely, 2115450000 is an apocalyptic number.

115450000 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 115450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139854330).

115450000 is an abundant number, since it is smaller than the sum of its proper divisors (164258660).

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

115450000 is an frugal number, since it uses more digits than its factorization.

115450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 115450000 is about 10744.7661677674. The cubic root of 115450000 is about 486.9278846199.

The spelling of 115450000 in words is "one hundred fifteen million, four hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2309 2500 3125 4618 5000 6250 9236 10000 11545 12500 18472 23090 25000 36944 46180 50000 57725 92360 115450 184720 230900 288625 461800 577250 923600 1154500 1443125 2309000 2886250 4618000 5772500 7215625 11545000 14431250 23090000 28862500 57725000 115450000