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4292928 = 263229257
BaseRepresentation
bin10000011000000101000000
322002002210100
4100120011000
52044333203
6232002400
751326553
oct20300500
98062710
104292928
112472382
121530400
13b73cc3
147da69a
1559bea3
hex418140

4292928 has 84 divisors (see below), whose sum is σ = 12778740. Its totient is φ = 1376256.

The previous prime is 4292923. The next prime is 4292941. The reversal of 4292928 is 8292924.

It can be written as a sum of positive squares in 2 ways, for example, as 3504384 + 788544 = 1872^2 + 888^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4292892 and 4292901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4292921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16576 + ... + 16832.

Almost surely, 24292928 is an apocalyptic number.

4292928 is a gapful number since it is divisible by the number (48) 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 4292928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6389370).

4292928 is an abundant number, since it is smaller than the sum of its proper divisors (8485812).

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

4292928 is a wasteful number, since it uses less digits than its factorization.

4292928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 291 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4292928 is about 2071.9382230173. The cubic root of 4292928 is about 162.5241368486.

The spelling of 4292928 in words is "four million, two hundred ninety-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 144 174 192 232 257 261 288 348 464 514 522 576 696 771 928 1028 1044 1392 1542 1856 2056 2088 2313 2784 3084 4112 4176 4626 5568 6168 7453 8224 8352 9252 12336 14906 16448 16704 18504 22359 24672 29812 37008 44718 49344 59624 67077 74016 89436 119248 134154 148032 178872 238496 268308 357744 476992 536616 715488 1073232 1430976 2146464 4292928