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23742061 = 714392357
BaseRepresentation
bin101101010010…
…0011001101101
31122200012222121
41122210121231
522034221221
62204512541
7405542560
oct132443155
948605877
1023742061
1112446842
127b4b751
134bc3775
1432204d7
15213ea41
hex16a466d

23742061 has 8 divisors (see below), whose sum is σ = 27164160. Its totient is φ = 20327568.

The previous prime is 23742031. The next prime is 23742071. The reversal of 23742061 is 16024732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23742061 - 25 = 23742029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23742031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8895 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (3395520).

Almost surely, 223742061 is an apocalyptic number.

It is an amenable number.

23742061 is a deficient number, since it is larger than the sum of its proper divisors (3422099).

23742061 is a wasteful number, since it uses less digits than its factorization.

23742061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23742061 is about 4872.5825801109. The cubic root of 23742061 is about 287.4128219610.

Adding to 23742061 its reverse (16024732), we get a palindrome (39766793).

It can be divided in two parts, 23 and 742061, that multiplied together give a triangular number (17067403 = T5842).

The spelling of 23742061 in words is "twenty-three million, seven hundred forty-two thousand, sixty-one".

Divisors: 1 7 1439 2357 10073 16499 3391723 23742061