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70600000 = 2655353
BaseRepresentation
bin1000011010101…
…00010101000000
311220211211222211
410031110111000
5121033200000
611001111504
71515042622
oct415242500
9156754884
1070600000
1136940909
121b788594
131181b963
14953ac12
1562e87ba
hex4354540

70600000 has 84 divisors (see below), whose sum is σ = 175605948. Its totient is φ = 28160000.

The previous prime is 70599943. The next prime is 70600003. The reversal of 70600000 is 607.

It can be written as a sum of positive squares in 6 ways, for example, as 60715264 + 9884736 = 7792^2 + 3144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70600003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199824 + ... + 200176.

It is an arithmetic number, because the mean of its divisors is an integer number (2090547).

Almost surely, 270600000 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 70600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87802974).

70600000 is an abundant number, since it is smaller than the sum of its proper divisors (105005948).

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

70600000 is an frugal number, since it uses more digits than its factorization.

70600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 70600000 is about 8402.3806150400. The cubic root of 70600000 is about 413.3026916816.

Adding to 70600000 its reverse (607), we get a palindrome (70600607).

The spelling of 70600000 in words is "seventy million, six hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 353 400 500 625 706 800 1000 1250 1412 1600 1765 2000 2500 2824 3125 3530 4000 5000 5648 6250 7060 8000 8825 10000 11296 12500 14120 17650 20000 22592 25000 28240 35300 40000 44125 50000 56480 70600 88250 100000 112960 141200 176500 200000 220625 282400 353000 441250 564800 706000 882500 1103125 1412000 1765000 2206250 2824000 3530000 4412500 7060000 8825000 14120000 17650000 35300000 70600000