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30053077 = 291516863
BaseRepresentation
bin111001010100…
…1001011010101
32002112212001221
41302221023111
530143144302
62552050341
7513306205
oct162511325
962485057
1030053077
1115a6735a
12a0939b1
1362c31b2
143dc4405
152989937
hex1ca92d5

30053077 has 8 divisors (see below), whose sum is σ = 31299840. Its totient is φ = 28820400.

The previous prime is 30053063. The next prime is 30053081. The reversal of 30053077 is 77035003.

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 30053077 - 211 = 30051029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948 + ... + 7810.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 230053077 is an apocalyptic number.

It is an amenable number.

30053077 is a deficient number, since it is larger than the sum of its proper divisors (1246763).

30053077 is a wasteful number, since it uses less digits than its factorization.

30053077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 30053077 is about 5482.0686788839. The cubic root of 30053077 is about 310.9063899432.

The spelling of 30053077 in words is "thirty million, fifty-three thousand, seventy-seven".

Divisors: 1 29 151 4379 6863 199027 1036313 30053077