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30083001 = 313771359
BaseRepresentation
bin111001011000…
…0011110111001
32002121101010020
41302300132321
530200124001
62552441053
7513462354
oct162603671
962541106
1030083001
1115a87893
12a0a9189
1363039c0
143dd129b
152993736
hex1cb07b9

30083001 has 8 divisors (see below), whose sum is σ = 43196160. Its totient is φ = 18512592.

The previous prime is 30082999. The next prime is 30083003. The reversal of 30083001 is 10038003.

It is an interprime number because it is at equal distance from previous prime (30082999) and next prime (30083003).

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

It is not a de Polignac number, because 30083001 - 21 = 30082999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30083003) 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, 385641 + ... + 385718.

It is an arithmetic number, because the mean of its divisors is an integer number (5399520).

Almost surely, 230083001 is an apocalyptic number.

It is an amenable number.

30083001 is a deficient number, since it is larger than the sum of its proper divisors (13113159).

30083001 is a wasteful number, since it uses less digits than its factorization.

30083001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771375.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30083001 is about 5484.7972615221. The cubic root of 30083001 is about 311.0095460654.

The spelling of 30083001 in words is "thirty million, eighty-three thousand, one".

Divisors: 1 3 13 39 771359 2314077 10027667 30083001