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211301004 = 22317608417
BaseRepresentation
bin11001001100000…
…11001010001100
3112201121012111010
430212003022030
5413043113004
632544525220
75144012625
oct1446031214
9481535433
10211301004
11a9301632
125a920810
1334a130a5
14200c4a4c
151383ca89
hexc98328c

211301004 has 12 divisors (see below), whose sum is σ = 493035704. Its totient is φ = 70433664.

The previous prime is 211300997. The next prime is 211301059. The reversal of 211301004 is 400103112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2113010042 = 89296228582816032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 17608417 = 211301004 / (2 + 1 + 1 + 3 + 0 + 1 + 0 + 0 + 4).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8804197 + ... + 8804220.

Almost surely, 2211301004 is an apocalyptic number.

It is an amenable number.

211301004 is an abundant number, since it is smaller than the sum of its proper divisors (281734700).

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

211301004 is a wasteful number, since it uses less digits than its factorization.

211301004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608424 (or 17608422 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 211301004 is about 14536.1963387951. The cubic root of 211301004 is about 595.6171399635.

Adding to 211301004 its reverse (400103112), we get a palindrome (611404116).

The spelling of 211301004 in words is "two hundred eleven million, three hundred one thousand, four".

Divisors: 1 2 3 4 6 12 17608417 35216834 52825251 70433668 105650502 211301004