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7070000 = 24547101
BaseRepresentation
bin11010111110000100110000
3111022012012212
4122332010300
53302220000
6411311252
7114044150
oct32760460
914265185
107070000
113a99883
12244b528
131607042
14d20760
15949c35
hex6be130

7070000 has 100 divisors (see below), whose sum is σ = 19756176. Its totient is φ = 2400000.

The previous prime is 7069987. The next prime is 7070003. The reversal of 7070000 is 707.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (7070003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69950 + ... + 70050.

Almost surely, 27070000 is an apocalyptic number.

7070000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9878088).

7070000 is an abundant number, since it is smaller than the sum of its proper divisors (12686176).

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

7070000 is a wasteful number, since it uses less digits than its factorization.

7070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 49, while the sum is 14.

The square root of 7070000 is about 2658.9471600617. The cubic root of 7070000 is about 191.9286482558.

Adding to 7070000 its reverse (707), we get a palindrome (7070707).

Multiplying 7070000 by its reverse (707), we get a square (4998490000 = 707002).

7070000 divided by its reverse (707) gives a 4-th power (10000 = 104).

The spelling of 7070000 in words is "seven million, seventy thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 101 112 125 140 175 200 202 250 280 350 400 404 500 505 560 625 700 707 808 875 1000 1010 1250 1400 1414 1616 1750 2000 2020 2500 2525 2800 2828 3500 3535 4040 4375 5000 5050 5656 7000 7070 8080 8750 10000 10100 11312 12625 14000 14140 17500 17675 20200 25250 28280 35000 35350 40400 50500 56560 63125 70000 70700 88375 101000 126250 141400 176750 202000 252500 282800 353500 441875 505000 707000 883750 1010000 1414000 1767500 3535000 7070000