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52030023 = 389194869
BaseRepresentation
bin1100011001111…
…0101001000111
310121220101202220
43012132221013
5101304430043
65055103423
71201151013
oct306365107
9117811686
1052030023
1127407a21
1215511b73
13aa193c6
146ca5543
15487b483
hex319ea47

52030023 has 8 divisors (see below), whose sum is σ = 70153200. Its totient is φ = 34296768.

The previous prime is 52030021. The next prime is 52030039. The reversal of 52030023 is 32003025.

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

It is not a de Polignac number, because 52030023 - 21 = 52030021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52029984 and 52030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52030021) 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, 97168 + ... + 97701.

It is an arithmetic number, because the mean of its divisors is an integer number (8769150).

Almost surely, 252030023 is an apocalyptic number.

52030023 is a deficient number, since it is larger than the sum of its proper divisors (18123177).

52030023 is a wasteful number, since it uses less digits than its factorization.

52030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194961.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 52030023 is about 7213.1839710353. The cubic root of 52030023 is about 373.3229359526.

Adding to 52030023 its reverse (32003025), we get a palindrome (84033048).

The spelling of 52030023 in words is "fifty-two million, thirty thousand, twenty-three".

Divisors: 1 3 89 267 194869 584607 17343341 52030023