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23070307 = 131774639
BaseRepresentation
bin101100000000…
…0011001100011
31121102002111211
41120000121203
521401222212
62142250551
7400044241
oct130003143
947362454
1023070307
1112028077
127886a57
134a19a90
1430c7791
15205a9a7
hex1600663

23070307 has 4 divisors (see below), whose sum is σ = 24844960. Its totient is φ = 21295656.

The previous prime is 23070301. The next prime is 23070323. The reversal of 23070307 is 70307032.

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

It is a cyclic number.

It is not a de Polignac number, because 23070307 - 211 = 23068259 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23070301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887307 + ... + 887332.

It is an arithmetic number, because the mean of its divisors is an integer number (6211240).

Almost surely, 223070307 is an apocalyptic number.

23070307 is a deficient number, since it is larger than the sum of its proper divisors (1774653).

23070307 is a wasteful number, since it uses less digits than its factorization.

23070307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774652.

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 23070307 is about 4803.1559416700. The cubic root of 23070307 is about 284.6761767822.

Adding to 23070307 its reverse (70307032), we get a palindrome (93377339).

The spelling of 23070307 in words is "twenty-three million, seventy thousand, three hundred seven".

Divisors: 1 13 1774639 23070307