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89157950 = 25272151241
BaseRepresentation
bin1010101000001…
…11000100111110
320012202200201022
411110013010332
5140311023300
612502544142
72131554500
oct524070476
9205680638
1089157950
1146366762
1225a38052
13156188ab
14bbabd70
157c62285
hex550713e

89157950 has 72 divisors (see below), whose sum is σ = 194991984. Its totient is φ = 30240000.

The previous prime is 89157917. The next prime is 89157989. The reversal of 89157950 is 5975198.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 369830 + ... + 370070.

It is an arithmetic number, because the mean of its divisors is an integer number (2708222).

Almost surely, 289157950 is an apocalyptic number.

89157950 is an abundant number, since it is smaller than the sum of its proper divisors (105834034).

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

89157950 is a wasteful number, since it uses less digits than its factorization.

89157950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 89157950 is about 9442.3487544149. The cubic root of 89157950 is about 446.7384757448.

The spelling of 89157950 in words is "eighty-nine million, one hundred fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 151 175 241 245 302 350 482 490 755 1057 1205 1225 1510 1687 2114 2410 2450 3374 3775 5285 6025 7399 7550 8435 10570 11809 12050 14798 16870 23618 26425 36391 36995 42175 52850 59045 72782 73990 84350 118090 181955 184975 254737 295225 363910 369950 509474 590450 909775 1273685 1783159 1819550 2547370 3566318 6368425 8915795 12736850 17831590 44578975 89157950