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90630752 = 252832211
BaseRepresentation
bin1010110011011…
…10101001100000
320022112112000112
411121232221200
5141200141002
612554310452
72150230412
oct531565140
9208475015
1090630752
1147182253
1226428428
1315a13084
14c0729b2
157e53852
hex566ea60

90630752 has 12 divisors (see below), whose sum is σ = 178429356. Its totient is φ = 45315360.

The previous prime is 90630751. The next prime is 90630767. The reversal of 90630752 is 25703609.

It is a super-3 number, since 3×906307523 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2832211 = 90630752 / (9 + 0 + 6 + 3 + 0 + 7 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90630751) 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 as a sum of consecutive naturals, namely, 1416074 + ... + 1416137.

It is an arithmetic number, because the mean of its divisors is an integer number (14869113).

Almost surely, 290630752 is an apocalyptic number.

It is an amenable number.

90630752 is a deficient number, since it is larger than the sum of its proper divisors (87798604).

90630752 is a wasteful number, since it uses less digits than its factorization.

90630752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832221 (or 2832213 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 90630752 is about 9520.0184873770. The cubic root of 90630752 is about 449.1849476915.

The spelling of 90630752 in words is "ninety million, six hundred thirty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 2832211 5664422 11328844 22657688 45315376 90630752