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30086701 = 211142591
BaseRepresentation
bin111001011000…
…1011000101101
32002121120012021
41302301120231
530200233301
62552510141
7513506221
oct162613055
962546167
1030086701
1115a8a647
12a0ab351
1363055a8
143dd2781
1529948a1
hex1cb162d

30086701 has 4 divisors (see below), whose sum is σ = 30229504. Its totient is φ = 29943900.

The previous prime is 30086687. The next prime is 30086723. The reversal of 30086701 is 10768003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10768003 = 19566737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30086701 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 (30086741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71085 + ... + 71506.

It is an arithmetic number, because the mean of its divisors is an integer number (7557376).

Almost surely, 230086701 is an apocalyptic number.

It is an amenable number.

30086701 is a deficient number, since it is larger than the sum of its proper divisors (142803).

30086701 is a wasteful number, since it uses less digits than its factorization.

30086701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142802.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 30086701 is about 5485.1345471191. The cubic root of 30086701 is about 311.0222962134.

The spelling of 30086701 in words is "thirty million, eighty-six thousand, seven hundred one".

Divisors: 1 211 142591 30086701