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30634430 = 253063443
BaseRepresentation
bin111010011011…
…1000110111110
32010122101112112
41310313012332
530320300210
63012334022
7521250131
oct164670676
963571475
1030634430
1116324112
12a314312
1364679a8
1440d6218
152a51d05
hex1d371be

30634430 has 8 divisors (see below), whose sum is σ = 55141992. Its totient is φ = 12253768.

The previous prime is 30634397. The next prime is 30634453. The reversal of 30634430 is 3443603.

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

It is a junction number, because it is equal to n+sod(n) for n = 30634396 and 30634405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531712 + ... + 1531731.

It is an arithmetic number, because the mean of its divisors is an integer number (6892749).

Almost surely, 230634430 is an apocalyptic number.

30634430 is a deficient number, since it is larger than the sum of its proper divisors (24507562).

30634430 is a wasteful number, since it uses less digits than its factorization.

30634430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063450.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 30634430 is about 5534.8378476700. The cubic root of 30634430 is about 312.8983464087.

The spelling of 30634430 in words is "thirty million, six hundred thirty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 3063443 6126886 15317215 30634430