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30001137 = 310000379
BaseRepresentation
bin111001001110…
…0011111110001
32002110012211020
41302130133301
530140014022
62551010053
7513001605
oct162343761
962405736
1030001137
1115a31331
12a069929
1362a566a
143dad505
15297935c
hex1c9c7f1

30001137 has 4 divisors (see below), whose sum is σ = 40001520. Its totient is φ = 20000756.

The previous prime is 30001123. The next prime is 30001151. The reversal of 30001137 is 73110003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30001123) and next prime (30001151).

It is a cyclic number.

It is not a de Polignac number, because 30001137 - 27 = 30001009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30001157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000187 + ... + 5000192.

It is an arithmetic number, because the mean of its divisors is an integer number (10000380).

Almost surely, 230001137 is an apocalyptic number.

It is an amenable number.

30001137 is a deficient number, since it is larger than the sum of its proper divisors (10000383).

30001137 is a wasteful number, since it uses less digits than its factorization.

30001137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000382.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 30001137 is about 5477.3293674929. The cubic root of 30001137 is about 310.7271760162.

The spelling of 30001137 in words is "thirty million, one thousand, one hundred thirty-seven".

Divisors: 1 3 10000379 30001137