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115223488 = 2643149281
BaseRepresentation
bin1101101111000…
…10101111000000
322000210221220121
412313202233000
5213444122423
615233350024
72566245352
oct667425700
9260727817
10115223488
115a04a126
1232708314
131ab43aa3
14114350d2
15a1b045d
hex6de2bc0

115223488 has 56 divisors (see below), whose sum is σ = 236372400. Its totient is φ = 55695360.

The previous prime is 115223483. The next prime is 115223503. The reversal of 115223488 is 884322511.

It is a happy number.

It is a super-2 number, since 2×1152234882 = 26552904373772288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115223483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409908 + ... + 410188.

Almost surely, 2115223488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115223488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118186200).

115223488 is an abundant number, since it is smaller than the sum of its proper divisors (121148912).

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

115223488 is a wasteful number, since it uses less digits than its factorization.

115223488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 475 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 115223488 is about 10734.2204188287. The cubic root of 115223488 is about 486.6092265562.

Adding to 115223488 its reverse (884322511), we get a palindrome (999545999).

The spelling of 115223488 in words is "one hundred fifteen million, two hundred twenty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 43 64 86 149 172 281 298 344 562 596 688 1124 1192 1376 2248 2384 2752 4496 4768 6407 8992 9536 12083 12814 17984 24166 25628 41869 48332 51256 83738 96664 102512 167476 193328 205024 334952 386656 410048 669904 773312 1339808 1800367 2679616 3600734 7201468 14402936 28805872 57611744 115223488