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423002502 = 232133158313
BaseRepresentation
bin11001001101101…
…000000110000110
31002110221202100100
4121031220012012
51331242040002
6105550224530
713324314306
oct3115500606
91073852310
10423002502
111a785704a
12b97b5146
1369836550
1440271606
152720911c
hex19368186

423002502 has 48 divisors (see below), whose sum is σ = 1018862208. Its totient is φ = 125953920.

The previous prime is 423002501. The next prime is 423002509. The reversal of 423002502 is 205200324.

It is a super-2 number, since 2×4230025022 = 357862233396520008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423002501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21903 + ... + 36410.

It is an arithmetic number, because the mean of its divisors is an integer number (21226296).

Almost surely, 2423002502 is an apocalyptic number.

423002502 is an abundant number, since it is smaller than the sum of its proper divisors (595859706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423002502 is a wasteful number, since it uses less digits than its factorization.

423002502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58365 (or 58362 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 423002502 is about 20567.0246268146. The cubic root of 423002502 is about 750.6675549842.

Adding to 423002502 its reverse (205200324), we get a palindrome (628202826).

The spelling of 423002502 in words is "four hundred twenty-three million, two thousand, five hundred two".

Divisors: 1 2 3 6 9 13 18 26 31 39 62 78 93 117 186 234 279 403 558 806 1209 2418 3627 7254 58313 116626 174939 349878 524817 758069 1049634 1516138 1807703 2274207 3615406 4548414 5423109 6822621 10846218 13645242 16269327 23500139 32538654 47000278 70500417 141000834 211501251 423002502