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122100404 = 2271429931
BaseRepresentation
bin1110100011100…
…01101010110100
322111202100021012
413101301222310
5222224203104
620041011352
73011556566
oct721615264
9274670235
10122100404
1162a16928
1234a83b58
131c3b0c7a
1412305336
15aabcd6e
hex7471ab4

122100404 has 12 divisors (see below), whose sum is σ = 216685728. Its totient is φ = 60190200.

The previous prime is 122100397. The next prime is 122100427. The reversal of 122100404 is 404001221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214682 + ... + 215249.

It is an arithmetic number, because the mean of its divisors is an integer number (18057144).

Almost surely, 2122100404 is an apocalyptic number.

It is an amenable number.

122100404 is a deficient number, since it is larger than the sum of its proper divisors (94585324).

122100404 is a wasteful number, since it uses less digits than its factorization.

122100404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430006 (or 430004 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122100404 is about 11049.9051579640. The cubic root of 122100404 is about 496.1035868024.

Adding to 122100404 its reverse (404001221), we get a palindrome (526101625).

The spelling of 122100404 in words is "one hundred twenty-two million, one hundred thousand, four hundred four".

Divisors: 1 2 4 71 142 284 429931 859862 1719724 30525101 61050202 122100404