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30635213 = 710940151
BaseRepresentation
bin111010011011…
…1010011001101
32010122102121112
41310313103031
530320311323
63012341405
7521252330
oct164672315
963572545
1030635213
1116324764
12a314865
13646815b
1440d6617
152a52178
hex1d374cd

30635213 has 8 divisors (see below), whose sum is σ = 35333760. Its totient is φ = 26017200.

The previous prime is 30635191. The next prime is 30635243. The reversal of 30635213 is 31253603.

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 30635213 - 214 = 30618829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30635243) 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, 19313 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (4416720).

Almost surely, 230635213 is an apocalyptic number.

It is an amenable number.

30635213 is a deficient number, since it is larger than the sum of its proper divisors (4698547).

30635213 is a wasteful number, since it uses less digits than its factorization.

30635213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 30635213 is about 5534.9085809975. The cubic root of 30635213 is about 312.9010122253.

Adding to 30635213 its reverse (31253603), we get a palindrome (61888816).

The spelling of 30635213 in words is "thirty million, six hundred thirty-five thousand, two hundred thirteen".

Divisors: 1 7 109 763 40151 281057 4376459 30635213