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28107348 = 2232419719
BaseRepresentation
bin110101100111…
…0001001010100
31221220000000220
41223032021110
524143413343
62442234340
7460623423
oct153161124
957800026
1028107348
1114958515
1294b59b0
135a91689
143a392ba
152703183
hex1ace254

28107348 has 24 divisors (see below), whose sum is σ = 65862720. Its totient is φ = 9329280.

The previous prime is 28107323. The next prime is 28107349. The reversal of 28107348 is 84370182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28107349) 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, 1968 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 228107348 is an apocalyptic number.

It is an amenable number.

28107348 is an abundant number, since it is smaller than the sum of its proper divisors (37755372).

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

28107348 is a wasteful number, since it uses less digits than its factorization.

28107348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967 (or 9965 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28107348 is about 5301.6363511656. The cubic root of 28107348 is about 304.0464639276.

The spelling of 28107348 in words is "twenty-eight million, one hundred seven thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 241 482 723 964 1446 2892 9719 19438 29157 38876 58314 116628 2342279 4684558 7026837 9369116 14053674 28107348