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85070224 = 24291391319
BaseRepresentation
bin1010001001000…
…01000110010000
312221002000102001
411010201012100
5133234221344
612235203344
72052041101
oct504410620
9187060361
1085070224
1144024578
12245a6554
1314817115
14b4263a8
157705ed4
hex5121190

85070224 has 40 divisors (see below), whose sum is σ = 171864000. Its totient is φ = 40742016.

The previous prime is 85070213. The next prime is 85070257. The reversal of 85070224 is 42207058.

It is a super-2 number, since 2×850702242 = 14473886022820352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85070192 and 85070201.

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, 63837 + ... + 65155.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 285070224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85070224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85932000).

85070224 is an abundant number, since it is smaller than the sum of its proper divisors (86793776).

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

85070224 is a wasteful number, since it uses less digits than its factorization.

85070224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 85070224 is about 9223.3521021373. The cubic root of 85070224 is about 439.8040174026.

The spelling of 85070224 in words is "eighty-five million, seventy thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 29 58 116 139 232 278 464 556 1112 1319 2224 2638 4031 5276 8062 10552 16124 21104 32248 38251 64496 76502 153004 183341 306008 366682 612016 733364 1466728 2933456 5316889 10633778 21267556 42535112 85070224