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2028152 = 23736217
BaseRepresentation
bin111101111001001111000
310211001002202
413233021320
51004400102
6111245332
723144660
oct7571170
93731082
102028152
111165865
12819848
135601b9
143ab1a0
152a0e02
hex1ef278

2028152 has 16 divisors (see below), whose sum is σ = 4346160. Its totient is φ = 869184.

The previous prime is 2028139. The next prime is 2028179. The reversal of 2028152 is 2518202.

It is a super-2 number, since 2×20281522 = 8226801070208, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18053 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (271635).

22028152 is an apocalyptic number.

It is an amenable number.

2028152 is an abundant number, since it is smaller than the sum of its proper divisors (2318008).

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

2028152 is a wasteful number, since it uses less digits than its factorization.

2028152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36230 (or 36226 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2028152 is about 1424.1320163524. The cubic root of 2028152 is about 126.5805077359.

The spelling of 2028152 in words is "two million, twenty-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 36217 72434 144868 253519 289736 507038 1014076 2028152