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85996340 = 22540910513
BaseRepresentation
bin1010010000000…
…11001100110100
312222211001210122
411020003030310
5134003340330
612311111112
72062646123
oct510031464
9188731718
1085996340
11445a7361
1224972498
1314a7c811
14b5c7aba
15783a5e5
hex5203334

85996340 has 24 divisors (see below), whose sum is σ = 181051080. Its totient is φ = 34311168.

The previous prime is 85996327. The next prime is 85996343. The reversal of 85996340 is 4369958.

It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 83247376 = 1658^2 + 9124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85996291 and 85996300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85996343) 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, 2924 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (7543795).

Almost surely, 285996340 is an apocalyptic number.

It is an amenable number.

85996340 is an abundant number, since it is smaller than the sum of its proper divisors (95054740).

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

85996340 is a wasteful number, since it uses less digits than its factorization.

85996340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931 (or 10929 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 85996340 is about 9273.4211594212. The cubic root of 85996340 is about 441.3942344274.

The spelling of 85996340 in words is "eighty-five million, nine hundred ninety-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 409 818 1636 2045 4090 8180 10513 21026 42052 52565 105130 210260 4299817 8599634 17199268 21499085 42998170 85996340