Search a number
-
+
213026148 = 22325917393
BaseRepresentation
bin11001011001010…
…00010101100100
3112211211211221100
430230220111210
5414013314043
633045520100
75164456326
oct1454502544
9484754840
10213026148
11aa27a775
125b413030
133519839a
1420413616
1513a7dcd3
hexcb28564

213026148 has 18 divisors (see below), whose sum is σ = 538482854. Its totient is φ = 71008704.

The previous prime is 213026123. The next prime is 213026159. The reversal of 213026148 is 841620312.

It can be written as a sum of positive squares in only one way, i.e., 160579584 + 52446564 = 12672^2 + 7242^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2958661 + ... + 2958732.

Almost surely, 2213026148 is an apocalyptic number.

It is an amenable number.

213026148 is an abundant number, since it is smaller than the sum of its proper divisors (325456706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213026148 is a wasteful number, since it uses less digits than its factorization.

213026148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917403 (or 5917398 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 213026148 is about 14595.4153075546. The cubic root of 213026148 is about 597.2336988979.

The spelling of 213026148 in words is "two hundred thirteen million, twenty-six thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 5917393 11834786 17752179 23669572 35504358 53256537 71008716 106513074 213026148