Search a number
-
+
28373034 = 2317436469
BaseRepresentation
bin110110000111…
…1000000101010
31222101111111010
41230033000222
524230414114
62452044350
7463111134
oct154170052
958344433
1028373034
111501a098
1296036b6
135b555a1
143aa8054
152756c59
hex1b0f02a

28373034 has 32 divisors (see below), whose sum is σ = 61490880. Its totient is φ = 8692992.

The previous prime is 28373003. The next prime is 28373039. The reversal of 28373034 is 43037382.

It is a junction number, because it is equal to n+sod(n) for n = 28372992 and 28373010.

It is not an unprimeable number, because it can be changed into a prime (28373039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152 + ... + 7620.

It is an arithmetic number, because the mean of its divisors is an integer number (1921590).

Almost surely, 228373034 is an apocalyptic number.

28373034 is an abundant number, since it is smaller than the sum of its proper divisors (33117846).

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

28373034 is a wasteful number, since it uses less digits than its factorization.

28373034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 28373034 is about 5326.6343970654. The cubic root of 28373034 is about 305.0014655488.

The spelling of 28373034 in words is "twenty-eight million, three hundred seventy-three thousand, thirty-four".

Divisors: 1 2 3 6 17 34 43 51 86 102 129 258 731 1462 2193 4386 6469 12938 19407 38814 109973 219946 278167 329919 556334 659838 834501 1669002 4728839 9457678 14186517 28373034