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28629363 = 377917257
BaseRepresentation
bin110110100110…
…1100101110011
31222212112002210
41231031211303
524312114423
62501343203
7465226350
oct155154563
958775083
1028629363
1115184734
129707b03
135c15169
143b33627
1527a7b93
hex1b4d973

28629363 has 16 divisors (see below), whose sum is σ = 44180480. Its totient is φ = 16151616.

The previous prime is 28629361. The next prime is 28629373. The reversal of 28629363 is 36392682.

It is not a de Polignac number, because 28629363 - 21 = 28629361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28629361) 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, 6970 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (2761280).

Almost surely, 228629363 is an apocalyptic number.

28629363 is a deficient number, since it is larger than the sum of its proper divisors (15551117).

28629363 is a wasteful number, since it uses less digits than its factorization.

28629363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346.

The product of its digits is 93312, while the sum is 39.

The square root of 28629363 is about 5350.6413634255. The cubic root of 28629363 is about 305.9171996057.

The spelling of 28629363 in words is "twenty-eight million, six hundred twenty-nine thousand, three hundred sixty-three".

Divisors: 1 3 7 21 79 237 553 1659 17257 51771 120799 362397 1363303 4089909 9543121 28629363