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90444011 = 729445537
BaseRepresentation
bin1010110010000…
…01000011101011
320022012000212012
411121001003223
5141123202021
612550310135
72145522110
oct531010353
9208160765
1090444011
1147064a19
122635834b
1315979088
14c024907
157e1835b
hex56410eb

90444011 has 8 divisors (see below), whose sum is σ = 106929120. Its totient is φ = 74850048.

The previous prime is 90444001. The next prime is 90444059. The reversal of 90444011 is 11044409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90444011 - 210 = 90442987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90444001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222566 + ... + 222971.

It is an arithmetic number, because the mean of its divisors is an integer number (13366140).

Almost surely, 290444011 is an apocalyptic number.

90444011 is a deficient number, since it is larger than the sum of its proper divisors (16485109).

90444011 is a wasteful number, since it uses less digits than its factorization.

90444011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445573.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 90444011 is about 9510.2056234342. The cubic root of 90444011 is about 448.8762264175.

The spelling of 90444011 in words is "ninety million, four hundred forty-four thousand, eleven".

Divisors: 1 7 29 203 445537 3118759 12920573 90444011