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23450551 = 1131391493
BaseRepresentation
bin101100101110…
…1001110110111
31122010102002221
41121131032313
522000404201
62154343211
7403216645
oct131351667
948112087
1023450551
1112267823
127a2ab07
134b20b87
143186195
1520d34a1
hex165d3b7

23450551 has 8 divisors (see below), whose sum is σ = 23844240. Its totient is φ = 23060352.

The previous prime is 23450533. The next prime is 23450591. The reversal of 23450551 is 15505432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23450551 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 (23450591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14961 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (2980530).

Almost surely, 223450551 is an apocalyptic number.

23450551 is a deficient number, since it is larger than the sum of its proper divisors (393689).

23450551 is a wasteful number, since it uses less digits than its factorization.

23450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 23450551 is about 4842.5768966533. The cubic root of 23450551 is about 286.2316695927.

Adding to 23450551 its reverse (15505432), we get a palindrome (38955983).

The spelling of 23450551 in words is "twenty-three million, four hundred fifty thousand, five hundred fifty-one".

Divisors: 1 113 139 1493 15707 168709 207527 23450551