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85023743 = 737328277
BaseRepresentation
bin1010001000101…
…01101111111111
312220222122122112
411010111233333
5133231224433
612234204235
72051455430
oct504255777
9186878575
1085023743
1143aa2662
122458367b
13147cbc0c
14b413487
1576e7348
hex5115bff

85023743 has 8 divisors (see below), whose sum is σ = 99796512. Its totient is φ = 70907616.

The previous prime is 85023739. The next prime is 85023761. The reversal of 85023743 is 34732058.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85023743 - 22 = 85023739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85023773) 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 7 ways as a sum of consecutive naturals, for example, 163880 + ... + 164397.

It is an arithmetic number, because the mean of its divisors is an integer number (12474564).

Almost surely, 285023743 is an apocalyptic number.

85023743 is a deficient number, since it is larger than the sum of its proper divisors (14772769).

85023743 is a wasteful number, since it uses less digits than its factorization.

85023743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328321.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 85023743 is about 9220.8320123512. The cubic root of 85023743 is about 439.7239021995.

The spelling of 85023743 in words is "eighty-five million, twenty-three thousand, seven hundred forty-three".

Divisors: 1 7 37 259 328277 2297939 12146249 85023743