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28629453 = 337972659
BaseRepresentation
bin110110100110…
…1100111001101
31222212112020010
41231031213031
524312120303
62501343433
7465226536
oct155154715
958775203
1028629453
1115184806
129707b79
135c15208
143b3368d
1527a7c03
hex1b4d9cd

28629453 has 16 divisors (see below), whose sum is σ = 39623360. Its totient is φ = 18372096.

The previous prime is 28629451. The next prime is 28629481. The reversal of 28629453 is 35492682.

It is a happy number.

It is not a de Polignac number, because 28629453 - 21 = 28629451 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 9438 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (2476460).

Almost surely, 228629453 is an apocalyptic number.

It is an amenable number.

28629453 is a deficient number, since it is larger than the sum of its proper divisors (10993907).

28629453 is a wasteful number, since it uses less digits than its factorization.

28629453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its digits is 103680, while the sum is 39.

The square root of 28629453 is about 5350.6497736256. The cubic root of 28629453 is about 305.9175201684.

The spelling of 28629453 in words is "twenty-eight million, six hundred twenty-nine thousand, four hundred fifty-three".

Divisors: 1 3 37 97 111 291 2659 3589 7977 10767 98383 257923 295149 773769 9543151 28629453