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30898255 = 523472633
BaseRepresentation
bin111010111011…
…1100001001111
32011010210102211
41311313201033
530402221010
63022131251
7523426243
oct165674117
964123384
1030898255
1116494353
12a420b27
13652aabb
144164423
152aa508a
hex1d7784f

30898255 has 8 divisors (see below), whose sum is σ = 37107792. Its totient is φ = 24698688.

The previous prime is 30898247. The next prime is 30898267. The reversal of 30898255 is 55289803.

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 30898255 - 23 = 30898247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (4638474).

Almost surely, 230898255 is an apocalyptic number.

30898255 is a deficient number, since it is larger than the sum of its proper divisors (6209537).

30898255 is a wasteful number, since it uses less digits than its factorization.

30898255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 30898255 is about 5558.6198826687. The cubic root of 30898255 is about 313.7940113813.

The spelling of 30898255 in words is "thirty million, eight hundred ninety-eight thousand, two hundred fifty-five".

Divisors: 1 5 2347 2633 11735 13165 6179651 30898255