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214311404 = 22130740993
BaseRepresentation
bin11001100011000…
…10000111101100
3112221021010222102
430301202013230
5414330431104
633133234232
75211421406
oct1461420754
9487233872
10214311404
11aaa7836a
125b932978
13355283a8
1420669b76
1513c34a1e
hexcc621ec

214311404 has 12 divisors (see below), whose sum is σ = 375341064. Its totient is φ = 107071104.

The previous prime is 214311397. The next prime is 214311457. The reversal of 214311404 is 404113412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15269 + ... + 25724.

It is an arithmetic number, because the mean of its divisors is an integer number (31278422).

Almost surely, 2214311404 is an apocalyptic number.

It is an amenable number.

214311404 is a deficient number, since it is larger than the sum of its proper divisors (161029660).

214311404 is a wasteful number, since it uses less digits than its factorization.

214311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42304 (or 42302 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 214311404 is about 14639.3785387222. The cubic root of 214311404 is about 598.4323930997.

Adding to 214311404 its reverse (404113412), we get a palindrome (618424816).

The spelling of 214311404 in words is "two hundred fourteen million, three hundred eleven thousand, four hundred four".

Divisors: 1 2 4 1307 2614 5228 40993 81986 163972 53577851 107155702 214311404