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121204084 = 22171782413
BaseRepresentation
bin1110011100101…
…10110101110100
322110001210202011
413032112311310
5222012012314
620005454004
73001134451
oct716266564
9273053664
10121204084
1162464471
1234711304
131c158cc1
1412150828
15a9924c4
hex7396d74

121204084 has 12 divisors (see below), whose sum is σ = 224584164. Its totient is φ = 57037184.

The previous prime is 121204063. The next prime is 121204087. The reversal of 121204084 is 480402121.

It can be written as a sum of positive squares in 2 ways, for example, as 56851600 + 64352484 = 7540^2 + 8022^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121204087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891139 + ... + 891274.

It is an arithmetic number, because the mean of its divisors is an integer number (18715347).

Almost surely, 2121204084 is an apocalyptic number.

It is an amenable number.

121204084 is a deficient number, since it is larger than the sum of its proper divisors (103380080).

121204084 is a wasteful number, since it uses less digits than its factorization.

121204084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782434 (or 1782432 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 121204084 is about 11009.2726371909. The cubic root of 121204084 is about 494.8866645264.

The spelling of 121204084 in words is "one hundred twenty-one million, two hundred four thousand, eighty-four".

Divisors: 1 2 4 17 34 68 1782413 3564826 7129652 30301021 60602042 121204084