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30140337 = 317590987
BaseRepresentation
bin111001011111…
…0011110110001
32002201021202210
41302332132301
530203442322
62554002333
7514121463
oct162763661
962637683
1030140337
1116016977
12a1163a9
136323b26
144008133
1529a570c
hex1cbe7b1

30140337 has 8 divisors (see below), whose sum is σ = 42551136. Its totient is φ = 18911552.

The previous prime is 30140333. The next prime is 30140347. The reversal of 30140337 is 73304103.

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 30140337 - 22 = 30140333 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30140333) 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, 295443 + ... + 295544.

It is an arithmetic number, because the mean of its divisors is an integer number (5318892).

Almost surely, 230140337 is an apocalyptic number.

It is an amenable number.

30140337 is a deficient number, since it is larger than the sum of its proper divisors (12410799).

30140337 is a wasteful number, since it uses less digits than its factorization.

30140337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591007.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30140337 is about 5490.0215846570. The cubic root of 30140337 is about 311.2070078197.

The spelling of 30140337 in words is "thirty million, one hundred forty thousand, three hundred thirty-seven".

Divisors: 1 3 17 51 590987 1772961 10046779 30140337