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189206022 = 23178272243
BaseRepresentation
bin10110100011100…
…00111000000110
3111012000122212110
423101300320012
5341414043042
630435201450
74455140025
oct1321607006
9435018773
10189206022
1197890315
1253446286
1330278235
141b1b28bc
151192609c
hexb470e06

189206022 has 32 divisors (see below), whose sum is σ = 401334912. Its totient is φ = 59260544.

The previous prime is 189205993. The next prime is 189206033. The reversal of 189206022 is 220602981.

It is a super-2 number, since 2×1892060222 = 71597837522128968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83233 + ... + 85475.

It is an arithmetic number, because the mean of its divisors is an integer number (12541716).

Almost surely, 2189206022 is an apocalyptic number.

189206022 is an abundant number, since it is smaller than the sum of its proper divisors (212128890).

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

189206022 is a wasteful number, since it uses less digits than its factorization.

189206022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 189206022 is about 13755.2179917295. The cubic root of 189206022 is about 574.0878007548.

It can be divided in two parts, 18920 and 6022, that added together give a palindrome (24942).

The spelling of 189206022 in words is "one hundred eighty-nine million, two hundred six thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 827 1654 2243 2481 4486 4962 6729 13458 14059 28118 38131 42177 76262 84354 114393 228786 1854961 3709922 5564883 11129766 31534337 63068674 94603011 189206022