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90787368 = 23371793019
BaseRepresentation
bin1010110100101…
…00111000101000
320022211110212010
411122110320220
5141220143433
613001515520
72151452130
oct532247050
9208743763
1090787368
1147279991
12264a2ba0
1315a69449
14c0b3ac0
157e84e63
hex5694e28

90787368 has 64 divisors (see below), whose sum is σ = 260928000. Its totient is φ = 25785792.

The previous prime is 90787343. The next prime is 90787369. The reversal of 90787368 is 86378709.

It is not an unprimeable number, because it can be changed into a prime (90787369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28563 + ... + 31581.

It is an arithmetic number, because the mean of its divisors is an integer number (4077000).

Almost surely, 290787368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90787368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130464000).

90787368 is an abundant number, since it is smaller than the sum of its proper divisors (170140632).

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

90787368 is a wasteful number, since it uses less digits than its factorization.

90787368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 90787368 is about 9528.2405511196. The cubic root of 90787368 is about 449.4435393364.

The spelling of 90787368 in words is "ninety million, seven hundred eighty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 179 358 537 716 1074 1253 1432 2148 2506 3019 3759 4296 5012 6038 7518 9057 10024 12076 15036 18114 21133 24152 30072 36228 42266 63399 72456 84532 126798 169064 253596 507192 540401 1080802 1621203 2161604 3242406 3782807 4323208 6484812 7565614 11348421 12969624 15131228 22696842 30262456 45393684 90787368