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90250062 = 23722511223
BaseRepresentation
bin1010110000100…
…01101101001110
320021211011210220
411120101231032
5141101000222
612542212210
72144053500
oct530215516
9207734726
1090250062
1146a42231
1226284066
131590ba06
14bdb3d70
157dcab5c
hex5611b4e

90250062 has 48 divisors (see below), whose sum is σ = 210978432. Its totient is φ = 25662000.

The previous prime is 90250051. The next prime is 90250063. The reversal of 90250062 is 26005209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90250063) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 73183 + ... + 74405.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384).

Almost surely, 290250062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90250062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105489216).

90250062 is an abundant number, since it is smaller than the sum of its proper divisors (120728370).

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

90250062 is a wasteful number, since it uses less digits than its factorization.

90250062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 90250062 is about 9500.0032631573. The cubic root of 90250062 is about 448.5551386394. Note that the first 3 decimals are identical.

The spelling of 90250062 in words is "ninety million, two hundred fifty thousand, sixty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 251 294 502 753 1223 1506 1757 2446 3514 3669 5271 7338 8561 10542 12299 17122 24598 25683 36897 51366 59927 73794 119854 179781 306973 359562 613946 920919 1841838 2148811 4297622 6446433 12892866 15041677 30083354 45125031 90250062