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85420941 = 3194333461
BaseRepresentation
bin1010001011101…
…10101110001101
312221201211111120
411011312232031
5133331432231
612250511153
72055031434
oct505665615
9187654446
1085420941
1144244021
12247354b9
131490a948
14b4b811b
157774d96
hex5176b8d

85420941 has 16 divisors (see below), whose sum is σ = 120200640. Its totient is φ = 53809920.

The previous prime is 85420939. The next prime is 85420943. The reversal of 85420941 is 14902458.

It is an interprime number because it is at equal distance from previous prime (85420939) and next prime (85420943).

It is not a de Polignac number, because 85420941 - 21 = 85420939 is a prime.

It is a super-2 number, since 2×854209412 = 14593474322650962, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85420943) 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, 22951 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (7512540).

Almost surely, 285420941 is an apocalyptic number.

It is an amenable number.

85420941 is a deficient number, since it is larger than the sum of its proper divisors (34779699).

85420941 is a wasteful number, since it uses less digits than its factorization.

85420941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85420941 is about 9242.3449946429. The cubic root of 85420941 is about 440.4075786045.

The spelling of 85420941 in words is "eighty-five million, four hundred twenty thousand, nine hundred forty-one".

Divisors: 1 3 19 57 433 1299 3461 8227 10383 24681 65759 197277 1498613 4495839 28473647 85420941