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1057928 = 23132241
BaseRepresentation
bin100000010010010001000
31222202012112
410002102020
5232323203
634401452
711664224
oct4022210
91882175
101057928
11662923
12430288
132b06c1
141d7784
1515d6d8
hex102488

1057928 has 8 divisors (see below), whose sum is σ = 1983630. Its totient is φ = 528960.

The previous prime is 1057919. The next prime is 1057951. The reversal of 1057928 is 8297501.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 178084 = 938^2 + 422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10579282 = 2238423306368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057894 and 1057903.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 66113 + ... + 66128.

21057928 is an apocalyptic number.

It is an amenable number.

1057928 is a deficient number, since it is larger than the sum of its proper divisors (925702).

1057928 is a wasteful number, since it uses less digits than its factorization.

1057928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132247 (or 132243 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1057928 is about 1028.5562697296. The cubic root of 1057928 is about 101.8948037579.

The spelling of 1057928 in words is "one million, fifty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 132241 264482 528964 1057928