Search a number
-
+
30422129 = 173157727
BaseRepresentation
bin111010000001…
…1010001110001
32010020121022112
41310003101301
530242002004
63004015105
7516404153
oct164032161
963217275
1030422129
1116199661
12a231495
1363c217a
14407cad3
152a0de6e
hex1d03471

30422129 has 8 divisors (see below), whose sum is σ = 33251328. Its totient is φ = 27708480.

The previous prime is 30422101. The next prime is 30422137. The reversal of 30422129 is 92122403.

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 30422129 - 224 = 13644913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30422179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28337 + ... + 29390.

It is an arithmetic number, because the mean of its divisors is an integer number (4156416).

Almost surely, 230422129 is an apocalyptic number.

It is an amenable number.

30422129 is a deficient number, since it is larger than the sum of its proper divisors (2829199).

30422129 is a wasteful number, since it uses less digits than its factorization.

30422129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57775.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30422129 is about 5515.6258937676. The cubic root of 30422129 is about 312.1738600632.

The spelling of 30422129 in words is "thirty million, four hundred twenty-two thousand, one hundred twenty-nine".

Divisors: 1 17 31 527 57727 981359 1789537 30422129