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115474242 = 231312711657
BaseRepresentation
bin1101110000111…
…11111101000010
322001021200212210
412320133331002
5214030133432
615243002550
72601341412
oct670377502
9261250783
10115474242
115a200564
1232809456
131ac00c70
141149c642
15a20e8cc
hex6e1ff42

115474242 has 32 divisors (see below), whose sum is σ = 250693632. Its totient is φ = 35247744.

The previous prime is 115474241. The next prime is 115474277. The reversal of 115474242 is 242474511.

It is not an unprimeable number, because it can be changed into a prime (115474241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (7834176).

Almost surely, 2115474242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115474242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125346816).

115474242 is an abundant number, since it is smaller than the sum of its proper divisors (135219390).

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

115474242 is a wasteful number, since it uses less digits than its factorization.

115474242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802.

The product of its digits is 8960, while the sum is 30.

The square root of 115474242 is about 10745.8941926673. The cubic root of 115474242 is about 486.9619636719.

The spelling of 115474242 in words is "one hundred fifteen million, four hundred seventy-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 127 254 381 762 1651 3302 4953 9906 11657 23314 34971 69942 151541 303082 454623 909246 1480439 2960878 4441317 8882634 19245707 38491414 57737121 115474242