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90717011 = 7111497907
BaseRepresentation
bin1010110100000…
…11101101010011
320022200220100022
411122003231103
5141210421021
613000214055
72151040040
oct532035523
9208626308
1090717011
1147231040
122646a32b
1315a43408
14c0961c7
157e6e1ab
hex5683b53

90717011 has 16 divisors (see below), whose sum is σ = 113875200. Its totient is φ = 70205280.

The previous prime is 90716999. The next prime is 90717013. The reversal of 90717011 is 11071709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90717011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90717013) 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, 7520 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (7117200).

Almost surely, 290717011 is an apocalyptic number.

90717011 is a deficient number, since it is larger than the sum of its proper divisors (23158189).

90717011 is a wasteful number, since it uses less digits than its factorization.

90717011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 90717011 is about 9524.5478107887. The cubic root of 90717011 is about 449.3274083818.

The spelling of 90717011 in words is "ninety million, seven hundred seventeen thousand, eleven".

Divisors: 1 7 11 77 149 1043 1639 7907 11473 55349 86977 608839 1178143 8247001 12959573 90717011