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116251550 = 25231179419
BaseRepresentation
bin1101110110111…
…01101110011110
322002202012010222
412323131232132
5214230022200
615311401342
72611056542
oct673355636
9262665128
10116251550
115a691568
1232b23252
131b1139cc
1411621a22
15a314d85
hex6eddb9e

116251550 has 48 divisors (see below), whose sum is σ = 224985600. Its totient is φ = 44642400.

The previous prime is 116251549. The next prime is 116251561. The reversal of 116251550 is 55152611.

Together with 108734050 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277241 + ... + 277659.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2116251550 is an apocalyptic number.

116251550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116251550 is a deficient number, since it is larger than the sum of its proper divisors (108734050).

116251550 is a wasteful number, since it uses less digits than its factorization.

116251550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 116251550 is about 10782.0012057132. The cubic root of 116251550 is about 488.0521729357.

Subtracting from 116251550 its sum of digits (26), we obtain a square (116251524 = 107822).

The spelling of 116251550 in words is "one hundred sixteen million, two hundred fifty-one thousand, five hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 155 179 310 358 419 775 838 895 1550 1790 2095 4190 4475 5549 8950 10475 11098 12989 20950 25978 27745 55490 64945 75001 129890 138725 150002 277450 324725 375005 649450 750010 1875025 2325031 3750050 4650062 11625155 23250310 58125775 116251550