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30422155 = 58217411
BaseRepresentation
bin111010000001…
…1010010001011
32010020121100111
41310003102023
530242002110
63004015151
7516404221
oct164032213
963217314
1030422155
1116199685
12a2314b7
1363c219a
14407cb11
152a0de8a
hex1d0348b

30422155 has 8 divisors (see below), whose sum is σ = 36555984. Its totient is φ = 24304800.

The previous prime is 30422143. The next prime is 30422167. The reversal of 30422155 is 55122403.

It is an interprime number because it is at equal distance from previous prime (30422143) and next prime (30422167).

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

It is not a de Polignac number, because 30422155 - 211 = 30420107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 7810.

It is an arithmetic number, because the mean of its divisors is an integer number (4569498).

Almost surely, 230422155 is an apocalyptic number.

30422155 is a deficient number, since it is larger than the sum of its proper divisors (6133829).

30422155 is an equidigital number, since it uses as much as digits as its factorization.

30422155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30422155 is about 5515.6282507073. The cubic root of 30422155 is about 312.1739489954.

Adding to 30422155 its reverse (55122403), we get a palindrome (85544558).

The spelling of 30422155 in words is "thirty million, four hundred twenty-two thousand, one hundred fifty-five".

Divisors: 1 5 821 4105 7411 37055 6084431 30422155