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90703269 = 3210078141
BaseRepresentation
bin1010110100000…
…00010110100101
320022200012111100
411122000112211
5141210001034
613000030313
72150652006
oct532002645
9208605440
1090703269
1147221788
1226462399
1315a3a097
14c0911ad
157e6a099
hex56805a5

90703269 has 6 divisors (see below), whose sum is σ = 131015846. Its totient is φ = 60468840.

The previous prime is 90703253. The next prime is 90703289. The reversal of 90703269 is 96230709.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 263169 = 9510^2 + 513^2 .

It is not a de Polignac number, because 90703269 - 24 = 90703253 is a prime.

It is a super-2 number, since 2×907032692 = 16454166014572722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90703219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5039062 + ... + 5039079.

Almost surely, 290703269 is an apocalyptic number.

It is an amenable number.

90703269 is a deficient number, since it is larger than the sum of its proper divisors (40312577).

90703269 is a wasteful number, since it uses less digits than its factorization.

90703269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078147 (or 10078144 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90703269 is about 9523.8263843898. The cubic root of 90703269 is about 449.3047188885.

The spelling of 90703269 in words is "ninety million, seven hundred three thousand, two hundred sixty-nine".

Divisors: 1 3 9 10078141 30234423 90703269