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28629454 = 2711318097
BaseRepresentation
bin110110100110…
…1100111001110
31222212112020011
41231031213032
524312120304
62501343434
7465226540
oct155154716
958775204
1028629454
1115184807
129707b7a
135c15209
143b33690
1527a7c04
hex1b4d9ce

28629454 has 16 divisors (see below), whose sum is σ = 49516128. Its totient is φ = 12160512.

The previous prime is 28629451. The next prime is 28629481. The reversal of 28629454 is 45492682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28629451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7467 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (3094758).

Almost surely, 228629454 is an apocalyptic number.

28629454 is a deficient number, since it is larger than the sum of its proper divisors (20886674).

28629454 is a wasteful number, since it uses less digits than its factorization.

28629454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18219.

The product of its digits is 138240, while the sum is 40.

The square root of 28629454 is about 5350.6498670722. The cubic root of 28629454 is about 305.9175237303.

The spelling of 28629454 in words is "twenty-eight million, six hundred twenty-nine thousand, four hundred fifty-four".

Divisors: 1 2 7 14 113 226 791 1582 18097 36194 126679 253358 2044961 4089922 14314727 28629454