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700220 = 225157223
BaseRepresentation
bin10101010111100111100
31022120112002
42222330330
5134401340
623001432
75644313
oct2527474
91276462
10700220
114390a4
12299278
131b6941
1414327a
15dc715
hexaaf3c

700220 has 24 divisors (see below), whose sum is σ = 1486464. Its totient is φ = 277056.

The previous prime is 700211. The next prime is 700223. The reversal of 700220 is 22007.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 700220.

It is not an unprimeable number, because it can be changed into a prime (700223) 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, 3029 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (61936).

2700220 is an apocalyptic number.

It is an amenable number.

700220 is an abundant number, since it is smaller than the sum of its proper divisors (786244).

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

700220 is a wasteful number, since it uses less digits than its factorization.

700220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 700220 is about 836.7914913525. The cubic root of 700220 is about 88.7997010514.

Adding to 700220 its reverse (22007), we get a palindrome (722227).

The spelling of 700220 in words is "seven hundred thousand, two hundred twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 157 223 314 446 628 785 892 1115 1570 2230 3140 4460 35011 70022 140044 175055 350110 700220