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30734087 = 371515501
BaseRepresentation
bin111010100111…
…1011100000111
32010211110020112
41311033130013
530331442322
63014423235
7522143516
oct165173407
963743215
1030734087
1116391a7a
12a361b1b
1364a1167
14412067d
152a715e2
hex1d4f707

30734087 has 8 divisors (see below), whose sum is σ = 31779552. Its totient is φ = 29700000.

The previous prime is 30734071. The next prime is 30734089. The reversal of 30734087 is 78043703.

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 30734087 - 24 = 30734071 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 (30734089) 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, 2837 + ... + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (3972444).

Almost surely, 230734087 is an apocalyptic number.

30734087 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

30734087 is a deficient number, since it is larger than the sum of its proper divisors (1045465).

30734087 is a wasteful number, since it uses less digits than its factorization.

30734087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 30734087 is about 5543.8332406377. The cubic root of 30734087 is about 313.2372761485.

The spelling of 30734087 in words is "thirty million, seven hundred thirty-four thousand, eighty-seven".

Divisors: 1 37 151 5501 5587 203537 830651 30734087