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30031734 = 235005289
BaseRepresentation
bin111001010001…
…1111101110110
32002111202210110
41302203331312
530142003414
62551403450
7513160035
oct162437566
962452713
1030031734
1115a52317
12a083586
1362b6575
143dba71c
152983459
hex1ca3f76

30031734 has 8 divisors (see below), whose sum is σ = 60063480. Its totient is φ = 10010576.

The previous prime is 30031717. The next prime is 30031763. The reversal of 30031734 is 43713003.

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

30031734 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30031734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502639 + ... + 2502650.

It is an arithmetic number, because the mean of its divisors is an integer number (7507935).

Almost surely, 230031734 is an apocalyptic number.

30031734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031734 is a wasteful number, since it uses less digits than its factorization.

30031734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005294.

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

The square root of 30031734 is about 5480.1217139768. The cubic root of 30031734 is about 310.8327730050.

Adding to 30031734 its reverse (43713003), we get a palindrome (73744737).

The spelling of 30031734 in words is "thirty million, thirty-one thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 5005289 10010578 15015867 30031734