Search a number
-
+
211148372 = 22234634957
BaseRepresentation
bin11001001010111…
…01111001010100
3112201022110010002
430211131321110
5413023221442
632541350432
75142505631
oct1445357124
9481273102
10211148372
11a9207996
125a868418
133498b786
1420085188
151380c732
hexc95de54

211148372 has 24 divisors (see below), whose sum is σ = 386486016. Its totient is φ = 100745568.

The previous prime is 211148351. The next prime is 211148383. The reversal of 211148372 is 273841112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40118 + ... + 45074.

It is an arithmetic number, because the mean of its divisors is an integer number (16103584).

Almost surely, 2211148372 is an apocalyptic number.

It is an amenable number.

211148372 is a deficient number, since it is larger than the sum of its proper divisors (175337644).

211148372 is a wasteful number, since it uses less digits than its factorization.

211148372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447 (or 5445 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 211148372 is about 14530.9453236877. The cubic root of 211148372 is about 595.4736919409.

Adding to 211148372 its reverse (273841112), we get a palindrome (484989484).

The spelling of 211148372 in words is "two hundred eleven million, one hundred forty-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 23 46 92 463 926 1852 4957 9914 10649 19828 21298 42596 114011 228022 456044 2295091 4590182 9180364 52787093 105574186 211148372