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30665001 = 311179151
BaseRepresentation
bin111010011111…
…0100100101001
32010200221110210
41310332210221
530322240001
63013131333
7521435223
oct164764451
963627423
1030665001
1116345084
12a329b49
136478893
144103413
152a5add6
hex1d3e929

30665001 has 8 divisors (see below), whose sum is σ = 40927744. Its totient is φ = 20422800.

The previous prime is 30664999. The next prime is 30665017. The reversal of 30665001 is 10056603.

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

It is not a de Polignac number, because 30665001 - 21 = 30664999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30665021) 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, 1225 + ... + 7926.

It is an arithmetic number, because the mean of its divisors is an integer number (5115968).

Almost surely, 230665001 is an apocalyptic number.

It is an amenable number.

30665001 is a deficient number, since it is larger than the sum of its proper divisors (10262743).

30665001 is a wasteful number, since it uses less digits than its factorization.

30665001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30665001 is about 5537.5988478762. The cubic root of 30665001 is about 313.0023952972.

The spelling of 30665001 in words is "thirty million, six hundred sixty-five thousand, one".

Divisors: 1 3 1117 3351 9151 27453 10221667 30665001