Search a number
-
+
30844401 = 371468781
BaseRepresentation
bin111010110101…
…0010111110001
32011001001120020
41311222113301
530344010101
63021034053
7523113240
oct165522761
964031506
1030844401
1116457945
12a3b5929
13650c433
14414c957
152a94136
hex1d6a5f1

30844401 has 8 divisors (see below), whose sum is σ = 47001024. Its totient is φ = 17625360.

The previous prime is 30844337. The next prime is 30844439. The reversal of 30844401 is 10444803.

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

It is not a de Polignac number, because 30844401 - 26 = 30844337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30843401) 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, 734370 + ... + 734411.

It is an arithmetic number, because the mean of its divisors is an integer number (5875128).

Almost surely, 230844401 is an apocalyptic number.

It is an amenable number.

30844401 is a deficient number, since it is larger than the sum of its proper divisors (16156623).

30844401 is a wasteful number, since it uses less digits than its factorization.

30844401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468791.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 30844401 is about 5553.7735819891. The cubic root of 30844401 is about 313.6115966542.

The spelling of 30844401 in words is "thirty million, eight hundred forty-four thousand, four hundred one".

Divisors: 1 3 7 21 1468781 4406343 10281467 30844401