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30080501 = 115946349
BaseRepresentation
bin111001010111…
…1110111110101
32002121020200122
41302233313311
530200034001
62552421325
7513452153
oct162576765
962536618
1030080501
1115a85a20
12a0a7845
136302819
143dd03d3
152992b1b
hex1cafdf5

30080501 has 8 divisors (see below), whose sum is σ = 33372000. Its totient is φ = 26881840.

The previous prime is 30080489. The next prime is 30080507. The reversal of 30080501 is 10508003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30080501 is a prime.

It is a super-2 number, since 2×300805012 = 1809673080822002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30080501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30080507) 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, 22526 + ... + 23823.

It is an arithmetic number, because the mean of its divisors is an integer number (4171500).

Almost surely, 230080501 is an apocalyptic number.

It is an amenable number.

30080501 is a deficient number, since it is larger than the sum of its proper divisors (3291499).

30080501 is a wasteful number, since it uses less digits than its factorization.

30080501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46419.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 30080501 is about 5484.5693541061. The cubic root of 30080501 is about 311.0009305087. Note that the first 3 decimals are identical.

Adding to 30080501 its reverse (10508003), we get a palindrome (40588504).

The spelling of 30080501 in words is "thirty million, eighty thousand, five hundred one".

Divisors: 1 11 59 649 46349 509839 2734591 30080501