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2145792 = 29311127
BaseRepresentation
bin1000001011111000000000
311001000110210
420023320000
51022131132
6113554120
724144645
oct10137000
94030423
102145792
111236190
12875940
135a18cc
143dbdcc
152c5bcc
hex20be00

2145792 has 80 divisors (see below), whose sum is σ = 6285312. Its totient is φ = 645120.

The previous prime is 2145779. The next prime is 2145821. The reversal of 2145792 is 2975412.

It is a d-powerful number, because it can be written as 27 + 1 + 42 + 59 + 74 + 95 + 217 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16833 + ... + 16959.

22145792 is an apocalyptic number.

2145792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142656).

2145792 is an abundant number, since it is smaller than the sum of its proper divisors (4139520).

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

2145792 is a wasteful number, since it uses less digits than its factorization.

2145792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 143 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2145792 is about 1464.8522109756. The cubic root of 2145792 is about 128.9820298266.

It can be divided in two parts, 214 and 5792, that added together give a palindrome (6006).

The spelling of 2145792 in words is "two million, one hundred forty-five thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 127 128 132 176 192 254 256 264 352 381 384 508 512 528 704 762 768 1016 1056 1397 1408 1524 1536 2032 2112 2794 2816 3048 4064 4191 4224 5588 5632 6096 8128 8382 8448 11176 12192 16256 16764 16896 22352 24384 32512 33528 44704 48768 65024 67056 89408 97536 134112 178816 195072 268224 357632 536448 715264 1072896 2145792