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23790001 = 37642973
BaseRepresentation
bin101101011000…
…0000110110001
31122202122202011
41122300012301
522042240001
62205522521
7406132414
oct132600661
948678664
1023790001
1112479864
127b73441
134c0c531
143233b7b
15214dd51
hex16b01b1

23790001 has 4 divisors (see below), whose sum is σ = 24433012. Its totient is φ = 23146992.

The previous prime is 23789977. The next prime is 23790007. The reversal of 23790001 is 10009732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 8179600 = 3951^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 23790001 - 27 = 23789873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23790007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321450 + ... + 321523.

It is an arithmetic number, because the mean of its divisors is an integer number (6108253).

Almost surely, 223790001 is an apocalyptic number.

It is an amenable number.

23790001 is a deficient number, since it is larger than the sum of its proper divisors (643011).

23790001 is an equidigital number, since it uses as much as digits as its factorization.

23790001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643010.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 23790001 is about 4877.4994618144. The cubic root of 23790001 is about 287.6061400162.

Adding to 23790001 its reverse (10009732), we get a palindrome (33799733).

The spelling of 23790001 in words is "twenty-three million, seven hundred ninety thousand, one".

Divisors: 1 37 642973 23790001