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30097408 = 21411167
BaseRepresentation
bin111001011010…
…0000000000000
32002122002212211
41302310000000
530201104113
62553031504
7513552355
oct162640000
962562784
1030097408
1115a976a0
12a0b5594
13630a423
143dd662c
152997b3d
hex1cb4000

30097408 has 60 divisors (see below), whose sum is σ = 66058272. Its totient is φ = 13598720.

The previous prime is 30097399. The next prime is 30097421. The reversal of 30097408 is 80479003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30097408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180141 + ... + 180307.

Almost surely, 230097408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30097408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33029136).

30097408 is an abundant number, since it is smaller than the sum of its proper divisors (35960864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30097408 is an equidigital number, since it uses as much as digits as its factorization.

30097408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30097408 is about 5486.1104618846. The cubic root of 30097408 is about 311.0591864967.

The spelling of 30097408 in words is "thirty million, ninety-seven thousand, four hundred eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 167 176 256 334 352 512 668 704 1024 1336 1408 1837 2048 2672 2816 3674 4096 5344 5632 7348 8192 10688 11264 14696 16384 21376 22528 29392 42752 45056 58784 85504 90112 117568 171008 180224 235136 342016 470272 684032 940544 1368064 1881088 2736128 3762176 7524352 15048704 30097408