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30163799 = 299710723
BaseRepresentation
bin111001100010…
…0001101010111
32002202110221202
41303010031113
530210220144
62554303115
7514250051
oct163041527
962673852
1030163799
1116032566
12a127a9b
136331703
1440128d1
1529ac64e
hex1cc4357

30163799 has 8 divisors (see below), whose sum is σ = 31528560. Its totient is φ = 28820736.

The previous prime is 30163781. The next prime is 30163807. The reversal of 30163799 is 99736103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30163799 is a prime.

It is a super-2 number, since 2×301637992 = 1819709540224802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163739) 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, 2549 + ... + 8174.

It is an arithmetic number, because the mean of its divisors is an integer number (3941070).

Almost surely, 230163799 is an apocalyptic number.

30163799 is a deficient number, since it is larger than the sum of its proper divisors (1364761).

30163799 is a wasteful number, since it uses less digits than its factorization.

30163799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 30163799 is about 5492.1579547569. The cubic root of 30163799 is about 311.2877373425.

The spelling of 30163799 in words is "thirty million, one hundred sixty-three thousand, seven hundred ninety-nine".

Divisors: 1 29 97 2813 10723 310967 1040131 30163799