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20232105 = 353114337
BaseRepresentation
bin100110100101…
…1011110101001
31102001220020020
41031023132221
520134411410
62001351053
7333653505
oct115133651
942056206
1020232105
1110469753
126938489
134264c7a
142989305
151b99a70
hex134b7a9

20232105 has 16 divisors (see below), whose sum is σ = 32482944. Its totient is φ = 10753280.

The previous prime is 20232101. The next prime is 20232127. The reversal of 20232105 is 50123202.

It is not a de Polignac number, because 20232105 - 22 = 20232101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20232101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (2030184).

Almost surely, 220232105 is an apocalyptic number.

It is an amenable number.

20232105 is a deficient number, since it is larger than the sum of its proper divisors (12250839).

20232105 is a wasteful number, since it uses less digits than its factorization.

20232105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20232105 is about 4498.0112271981. The cubic root of 20232105 is about 272.4877754525.

Adding to 20232105 its reverse (50123202), we get a palindrome (70355307).

The spelling of 20232105 in words is "twenty million, two hundred thirty-two thousand, one hundred five".

Divisors: 1 3 5 15 311 933 1555 4337 4665 13011 21685 65055 1348807 4046421 6744035 20232105