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30541834 = 297115727
BaseRepresentation
bin111010010000…
…0100000001010
32010110200112001
41310200200022
530304314314
63010341214
7520413151
oct164404012
963420461
1030541834
1116270594
12a28a80a
1364347bb
1440b0598
152a34674
hex1d2080a

30541834 has 8 divisors (see below), whose sum is σ = 45862848. Its totient is φ = 15254220.

The previous prime is 30541807. The next prime is 30541853. The reversal of 30541834 is 43814503.

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

It is an alternating number because its digits alternate between odd and even.

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, 5922 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (5732856).

Almost surely, 230541834 is an apocalyptic number.

30541834 is a deficient number, since it is larger than the sum of its proper divisors (15321014).

30541834 is a wasteful number, since it uses less digits than its factorization.

30541834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30541834 is about 5526.4666831530. The cubic root of 30541834 is about 312.5827714612.

It can be divided in two parts, 30541 and 834, that added together give a triangular number (31375 = T250).

The spelling of 30541834 in words is "thirty million, five hundred forty-one thousand, eight hundred thirty-four".

Divisors: 1 2 971 1942 15727 31454 15270917 30541834