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28370130 = 235945671
BaseRepresentation
bin110110000111…
…0010011010010
31222101100111120
41230032103102
524230321010
62452023110
7463066515
oct154162322
958340446
1028370130
1115017998
129601a96
135b54179
143aa6d7c
152755e70
hex1b0e4d2

28370130 has 16 divisors (see below), whose sum is σ = 68088384. Its totient is φ = 7565360.

The previous prime is 28370129. The next prime is 28370131. The reversal of 28370130 is 3107382.

It is an interprime number because it is at equal distance from previous prime (28370129) and next prime (28370131).

It is a self number, because there is not a number n which added to its sum of digits gives 28370130.

It is not an unprimeable number, because it can be changed into a prime (28370131) 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, 472806 + ... + 472865.

It is an arithmetic number, because the mean of its divisors is an integer number (4255524).

Almost surely, 228370130 is an apocalyptic number.

28370130 is an abundant number, since it is smaller than the sum of its proper divisors (39718254).

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

28370130 is a wasteful number, since it uses less digits than its factorization.

28370130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945681.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 28370130 is about 5326.3617977002. The cubic root of 28370130 is about 304.9910594889.

The spelling of 28370130 in words is "twenty-eight million, three hundred seventy thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 945671 1891342 2837013 4728355 5674026 9456710 14185065 28370130