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85325340 = 22351422089
BaseRepresentation
bin1010001010111…
…11011000011100
312221112222100210
411011133120130
5133320402330
612244452420
72054152632
oct505373034
9187488323
1085325340
1144189211
12246aa110
13148a6289
14b491352
1577568b0
hex515f61c

85325340 has 24 divisors (see below), whose sum is σ = 238911120. Its totient is φ = 22753408.

The previous prime is 85325321. The next prime is 85325413. The reversal of 85325340 is 4352358.

It is a super-2 number, since 2×853253402 = 14560827292231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 85325298 and 85325307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710985 + ... + 711104.

It is an arithmetic number, because the mean of its divisors is an integer number (9954630).

Almost surely, 285325340 is an apocalyptic number.

It is an amenable number.

85325340 is an abundant number, since it is smaller than the sum of its proper divisors (153585780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85325340 is a wasteful number, since it uses less digits than its factorization.

85325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422101 (or 1422099 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 85325340 is about 9237.1716450437. The cubic root of 85325340 is about 440.2432195249.

Adding to 85325340 its reverse (4352358), we get a palindrome (89677698).

The spelling of 85325340 in words is "eighty-five million, three hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1422089 2844178 4266267 5688356 7110445 8532534 14220890 17065068 21331335 28441780 42662670 85325340