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115042452 = 2237732257
BaseRepresentation
bin1101101101101…
…10100010010100
322000110202120120
412312312202110
5213422324302
615225431540
72564562510
oct666664224
9260422516
10115042452
1159a36108
123263b5b0
131aaac575
14113c9140
15a1769bc
hex6db6894

115042452 has 72 divisors (see below), whose sum is σ = 312250176. Its totient is φ = 32292864.

The previous prime is 115042439. The next prime is 115042463. The reversal of 115042452 is 254240511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447508 + ... + 447764.

It is an arithmetic number, because the mean of its divisors is an integer number (4336808).

Almost surely, 2115042452 is an apocalyptic number.

115042452 is a gapful number since it is divisible by the number (12) 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 115042452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156125088).

115042452 is an abundant number, since it is smaller than the sum of its proper divisors (197207724).

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

115042452 is a wasteful number, since it uses less digits than its factorization.

115042452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 115042452 is about 10725.7844468365. The cubic root of 115042452 is about 486.3542439230.

Adding to 115042452 its reverse (254240511), we get a palindrome (369282963).

The spelling of 115042452 in words is "one hundred fifteen million, forty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 73 84 146 219 257 292 438 511 514 771 876 1022 1028 1533 1542 1799 2044 3066 3084 3598 5329 5397 6132 7196 10658 10794 15987 18761 21316 21588 31974 37303 37522 56283 63948 74606 75044 111909 112566 131327 149212 223818 225132 262654 393981 447636 525308 787962 1369553 1575924 2739106 4108659 5478212 8217318 9586871 16434636 19173742 28760613 38347484 57521226 115042452