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90369360 = 24325313401
BaseRepresentation
bin1010110001011…
…10110101010000
320022001020110100
411120232311100
5141113304420
612544532400
72145061344
oct530566520
9208036410
1090369360
1147013924
1226321100
13159510c3
14c005624
157e01190
hex562ed50

90369360 has 120 divisors (see below), whose sum is σ = 305219304. Its totient is φ = 23961600.

The previous prime is 90369353. The next prime is 90369361. The reversal of 90369360 is 6396309.

It can be written as a sum of positive squares in 4 ways, for example, as 8503056 + 81866304 = 2916^2 + 9048^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90369361) 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, 225160 + ... + 225560.

Almost surely, 290369360 is an apocalyptic number.

90369360 is a gapful number since it is divisible by the number (90) 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 90369360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152609652).

90369360 is an abundant number, since it is smaller than the sum of its proper divisors (214849944).

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

90369360 is a wasteful number, since it uses less digits than its factorization.

90369360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 90369360 is about 9506.2800295384. The cubic root of 90369360 is about 448.7526940711.

The spelling of 90369360 in words is "ninety million, three hundred sixty-nine thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 313 360 401 626 720 802 939 1203 1252 1565 1604 1878 2005 2406 2504 2817 3130 3208 3609 3756 4010 4695 4812 5008 5634 6015 6260 6416 7218 7512 8020 9390 9624 11268 12030 12520 14085 14436 15024 16040 18045 18780 19248 22536 24060 25040 28170 28872 32080 36090 37560 45072 48120 56340 57744 72180 75120 96240 112680 125513 144360 225360 251026 288720 376539 502052 627565 753078 1004104 1129617 1255130 1506156 1882695 2008208 2259234 2510260 3012312 3765390 4518468 5020520 5648085 6024624 7530780 9036936 10041040 11296170 15061560 18073872 22592340 30123120 45184680 90369360