Search a number
-
+
30220167 = 310073389
BaseRepresentation
bin111001101000…
…1111110000111
32002212100021110
41303101332013
530214021132
62555420103
7514603305
oct163217607
962770243
1030220167
111607094a
12a154633
136351273
144029275
1529be1cc
hex1cd1f87

30220167 has 4 divisors (see below), whose sum is σ = 40293560. Its totient is φ = 20146776.

The previous prime is 30220163. The next prime is 30220171. The reversal of 30220167 is 76102203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30220163) and next prime (30220171).

It is not a de Polignac number, because 30220167 - 22 = 30220163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036692 + ... + 5036697.

It is an arithmetic number, because the mean of its divisors is an integer number (10073390).

Almost surely, 230220167 is an apocalyptic number.

30220167 is a deficient number, since it is larger than the sum of its proper divisors (10073393).

30220167 is a wasteful number, since it uses less digits than its factorization.

30220167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073392.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30220167 is about 5497.2872400849. The cubic root of 30220167 is about 311.4815209407.

The spelling of 30220167 in words is "thirty million, two hundred twenty thousand, one hundred sixty-seven".

Divisors: 1 3 10073389 30220167