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115401450 = 23524716369
BaseRepresentation
bin1101110000011…
…10001011101010
322001011000000210
412320032023222
5214020321300
615241241550
72600616243
oct670161352
9261130023
10115401450
115a1608aa
12327932b6
131aba6aa8
141147dcca
15a1e8050
hex6e0e2ea

115401450 has 48 divisors (see below), whose sum is σ = 292302720. Its totient is φ = 30117120.

The previous prime is 115401449. The next prime is 115401467. The reversal of 115401450 is 54104511.

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, 1135 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (6089640).

Almost surely, 2115401450 is an apocalyptic number.

115401450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115401450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146151360).

115401450 is an abundant number, since it is smaller than the sum of its proper divisors (176901270).

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

115401450 is a wasteful number, since it uses less digits than its factorization.

115401450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431 (or 16426 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 115401450 is about 10742.5066907124. The cubic root of 115401450 is about 486.8596193871.

Adding to 115401450 its reverse (54104511), we get a palindrome (169505961).

The spelling of 115401450 in words is "one hundred fifteen million, four hundred one thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 47 50 75 94 141 150 235 282 470 705 1175 1410 2350 3525 7050 16369 32738 49107 81845 98214 163690 245535 409225 491070 769343 818450 1227675 1538686 2308029 2455350 3846715 4616058 7693430 11540145 19233575 23080290 38467150 57700725 115401450