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90433461 = 330144487
BaseRepresentation
bin1010110001111…
…10011110110101
320022011111101110
411120332132311
5141122332321
612550145233
72145446256
oct530763665
9208144343
1090433461
1147057aa8
1226352219
1315974331
14c020b2d
157e15176
hex563e7b5

90433461 has 4 divisors (see below), whose sum is σ = 120577952. Its totient is φ = 60288972.

The previous prime is 90433459. The next prime is 90433463. The reversal of 90433461 is 16433409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (90433459) and next prime (90433463).

It is not a de Polignac number, because 90433461 - 21 = 90433459 is a prime.

It is a super-3 number, since 3×904334613 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90433463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072241 + ... + 15072246.

It is an arithmetic number, because the mean of its divisors is an integer number (30144488).

Almost surely, 290433461 is an apocalyptic number.

It is an amenable number.

90433461 is a deficient number, since it is larger than the sum of its proper divisors (30144491).

90433461 is a wasteful number, since it uses less digits than its factorization.

90433461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144490.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 90433461 is about 9509.6509399662. The cubic root of 90433461 is about 448.8587724211.

The spelling of 90433461 in words is "ninety million, four hundred thirty-three thousand, four hundred sixty-one".

Divisors: 1 3 30144487 90433461