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30634 = 217253
BaseRepresentation
bin111011110101010
31120000121
413132222
51440014
6353454
7155212
oct73652
946017
1030634
112101a
121588a
1310c36
14b242
159124
hex77aa

30634 has 12 divisors (see below), whose sum is σ = 49734. Its totient is φ = 14144.

The previous prime is 30631. The next prime is 30637. The reversal of 30634 is 43603.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30631) and next prime (30637).

It can be written as a sum of positive squares in 3 ways, for example, as 30625 + 9 = 175^2 + 3^2 .

It is a plaindrome in base 12 and base 16.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (30631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552 + ... + 604.

230634 is an apocalyptic number.

30634 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30634 is a deficient number, since it is larger than the sum of its proper divisors (19100).

30634 is a wasteful number, since it uses less digits than its factorization.

30634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30634 is about 175.0257123968. The cubic root of 30634 is about 31.2896882403.

It can be divided in two parts, 306 and 34, that multiplied together give a square (10404 = 1022).

The spelling of 30634 in words is "thirty thousand, six hundred thirty-four".

Divisors: 1 2 17 34 53 106 289 578 901 1802 15317 30634