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30001051 = 291099491
BaseRepresentation
bin111001001110…
…0011110011011
32002110012201001
41302130132123
530140013201
62551005431
7513001423
oct162343633
962405631
1030001051
1115a31263
12a069877
1362a5602
143dad483
152979301
hex1c9c79b

30001051 has 8 divisors (see below), whose sum is σ = 31323600. Its totient is φ = 28697760.

The previous prime is 30001031. The next prime is 30001063. The reversal of 30001051 is 15010003.

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 30001051 - 219 = 29476763 is a prime.

It is a super-2 number, since 2×300010512 = 1800126122209202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001031) 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, 1585 + ... + 7906.

It is an arithmetic number, because the mean of its divisors is an integer number (3915450).

Almost surely, 230001051 is an apocalyptic number.

30001051 is a deficient number, since it is larger than the sum of its proper divisors (1322549).

30001051 is a wasteful number, since it uses less digits than its factorization.

30001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 30001051 is about 5477.3215169460. The cubic root of 30001051 is about 310.7268791101.

Adding to 30001051 its reverse (15010003), we get a palindrome (45011054).

The spelling of 30001051 in words is "thirty million, one thousand, fifty-one".

Divisors: 1 29 109 3161 9491 275239 1034519 30001051