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30024029 = 77954293
BaseRepresentation
bin111001010001…
…0000101011101
32002111101020002
41302202011131
530141232104
62551304045
7513125420
oct162420535
962441202
1030024029
1115a47552
12a07b025
1362b2bc9
143db79b7
15298101e
hex1ca215d

30024029 has 8 divisors (see below), whose sum is σ = 34748160. Its totient is φ = 25408656.

The previous prime is 30024011. The next prime is 30024083. The reversal of 30024029 is 92042003.

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

It is a de Polignac number, because none of the positive numbers 2k-30024029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30024029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30024529) 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, 26594 + ... + 27699.

It is an arithmetic number, because the mean of its divisors is an integer number (4343520).

Almost surely, 230024029 is an apocalyptic number.

It is an amenable number.

30024029 is a deficient number, since it is larger than the sum of its proper divisors (4724131).

30024029 is an equidigital number, since it uses as much as digits as its factorization.

30024029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54379.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30024029 is about 5479.4186735456. The cubic root of 30024029 is about 310.8061881114.

The spelling of 30024029 in words is "thirty million, twenty-four thousand, twenty-nine".

Divisors: 1 7 79 553 54293 380051 4289147 30024029