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30543101 = 173834691
BaseRepresentation
bin111010010000…
…0110011111101
32010110202020222
41310200303331
530304334401
63010351125
7520416641
oct164406375
963422228
1030543101
1116271536
12a28b4a5
136435254
1440b0c21
152a34c1b
hex1d20cfd

30543101 has 8 divisors (see below), whose sum is σ = 32431104. Its totient is φ = 28665280.

The previous prime is 30543083. The next prime is 30543133. The reversal of 30543101 is 10134503.

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 30543101 - 210 = 30542077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30543101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30543151) 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, 4166 + ... + 8856.

It is an arithmetic number, because the mean of its divisors is an integer number (4053888).

Almost surely, 230543101 is an apocalyptic number.

It is an amenable number.

30543101 is a deficient number, since it is larger than the sum of its proper divisors (1888003).

30543101 is a wasteful number, since it uses less digits than its factorization.

30543101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30543101 is about 5526.5813121676. The cubic root of 30543101 is about 312.5870938047.

Adding to 30543101 its reverse (10134503), we get a palindrome (40677604).

The spelling of 30543101 in words is "thirty million, five hundred forty-three thousand, one hundred one".

Divisors: 1 17 383 4691 6511 79747 1796653 30543101