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30252263 = 43977253
BaseRepresentation
bin111001101100…
…1110011100111
32002220222022012
41303121303213
530221033023
63000224435
7515066006
oct163316347
962828265
1030252263
1116092a78
12a16b11b
136362a62
144036c3d
1529c8978
hex1cd9ce7

30252263 has 8 divisors (see below), whose sum is σ = 31279248. Its totient is φ = 29240064.

The previous prime is 30252251. The next prime is 30252269. The reversal of 30252263 is 36225203.

It is a happy number.

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 30252263 - 210 = 30251239 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 (30252269) 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, 545 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (3909906).

Almost surely, 230252263 is an apocalyptic number.

30252263 is a deficient number, since it is larger than the sum of its proper divisors (1026985).

30252263 is an equidigital number, since it uses as much as digits as its factorization.

30252263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30252263 is about 5500.2057234253. The cubic root of 30252263 is about 311.5917538821.

Adding to 30252263 its reverse (36225203), we get a palindrome (66477466).

The spelling of 30252263 in words is "thirty million, two hundred fifty-two thousand, two hundred sixty-three".

Divisors: 1 43 97 4171 7253 311879 703541 30252263