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20193106 = 229536569
BaseRepresentation
bin100110100000…
…1111101010010
31101222220201211
41031001331102
520132134411
62000450334
7333432013
oct115017522
941886654
1020193106
111044241a
1269199aa
1342502ab
14297900a
151b8d221
hex1341f52

20193106 has 16 divisors (see below), whose sum is σ = 31930200. Its totient is φ = 9563008.

The previous prime is 20193097. The next prime is 20193113. The reversal of 20193106 is 60139102.

It can be written as a sum of positive squares in 4 ways, for example, as 20169081 + 24025 = 4491^2 + 155^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 6358.

Almost surely, 220193106 is an apocalyptic number.

20193106 is a deficient number, since it is larger than the sum of its proper divisors (11737094).

20193106 is a wasteful number, since it uses less digits than its factorization.

20193106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20193106 is about 4493.6739979665. The cubic root of 20193106 is about 272.3125821801.

The spelling of 20193106 in words is "twenty million, one hundred ninety-three thousand, one hundred six".

Divisors: 1 2 29 53 58 106 1537 3074 6569 13138 190501 348157 381002 696314 10096553 20193106