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2154104 = 231747337
BaseRepresentation
bin1000001101111001111000
311001102212122
420031321320
51022412404
6114100412
724211121
oct10157170
94042778
102154104
111241457
1287a708
135a5624
14401048
152c83be
hex20de78

2154104 has 32 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 989184.

The previous prime is 2154077. The next prime is 2154109. The reversal of 2154104 is 4014512.

2154104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6224 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (136890).

22154104 is an apocalyptic number.

It is an amenable number.

2154104 is an abundant number, since it is smaller than the sum of its proper divisors (2226376).

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

2154104 is a wasteful number, since it uses less digits than its factorization.

2154104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2154104 is about 1467.6866150510. The cubic root of 2154104 is about 129.1483580478.

Adding to 2154104 its reverse (4014512), we get a palindrome (6168616).

The spelling of 2154104 in words is "two million, one hundred fifty-four thousand, one hundred four".

Divisors: 1 2 4 8 17 34 47 68 94 136 188 337 376 674 799 1348 1598 2696 3196 5729 6392 11458 15839 22916 31678 45832 63356 126712 269263 538526 1077052 2154104