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23107029 = 3111741189
BaseRepresentation
bin101100000100…
…1010111010101
31121110221212220
41120021113111
521403411104
62143132553
7400256301
oct130112725
947427786
1023107029
1112052720
1278a4159
134a306ca
1430d6d01
1520667d9
hex16095d5

23107029 has 16 divisors (see below), whose sum is σ = 35588160. Its totient is φ = 13180160.

The previous prime is 23107013. The next prime is 23107057. The reversal of 23107029 is 92070132.

It is a cyclic number.

It is not a de Polignac number, because 23107029 - 24 = 23107013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23107529) 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, 20034 + ... + 21155.

It is an arithmetic number, because the mean of its divisors is an integer number (2224260).

Almost surely, 223107029 is an apocalyptic number.

It is an amenable number.

23107029 is a deficient number, since it is larger than the sum of its proper divisors (12481131).

23107029 is a wasteful number, since it uses less digits than its factorization.

23107029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41220.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 23107029 is about 4806.9771166503. The cubic root of 23107029 is about 284.8271404839.

It can be divided in two parts, 2310 and 7029, that added together give a palindrome (9339).

The spelling of 23107029 in words is "twenty-three million, one hundred seven thousand, twenty-nine".

Divisors: 1 3 11 17 33 51 187 561 41189 123567 453079 700213 1359237 2100639 7702343 23107029