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202070 = 25112167
BaseRepresentation
bin110001010101010110
3101021012002
4301111112
522431240
64155302
71501061
oct612526
9337162
10202070
11128900
1298b32
1370c8b
14538d8
153ed15
hex31556

202070 has 24 divisors (see below), whose sum is σ = 402192. Its totient is φ = 73040.

The previous prime is 202067. The next prime is 202087. The reversal of 202070 is 70202.

202070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (11).

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 202070.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (16758).

2202070 is an apocalyptic number.

202070 is a deficient number, since it is larger than the sum of its proper divisors (200122).

202070 is a wasteful number, since it uses less digits than its factorization.

202070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 185 counting only the distinct ones).

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

The square root of 202070 is about 449.5219683175. The cubic root of 202070 is about 58.6814199007.

Adding to 202070 its reverse (70202), we get a palindrome (272272).

The spelling of 202070 in words is "two hundred two thousand, seventy", and thus it is an iban number.

Divisors: 1 2 5 10 11 22 55 110 121 167 242 334 605 835 1210 1670 1837 3674 9185 18370 20207 40414 101035 202070