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1920528 = 243213337
BaseRepresentation
bin111010100111000010000
310121120110200
413110320100
5442424103
6105055200
722216131
oct7247020
93546420
101920528
1110a1a15
12787500
1352320c
1437dc88
1527e0a3
hex1d4e10

1920528 has 30 divisors (see below), whose sum is σ = 5375214. Its totient is φ = 640128.

The previous prime is 1920521. The next prime is 1920533. The reversal of 1920528 is 8250291.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 451584 = 1212^2 + 672^2 .

1920528 is a modest number, since divided by 528 gives 192 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1920521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6525 + ... + 6812.

21920528 is an apocalyptic number.

1920528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1920528 is an abundant number, since it is smaller than the sum of its proper divisors (3454686).

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

1920528 is a wasteful number, since it uses less digits than its factorization.

1920528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351 (or 13342 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1920528 is about 1385.8311585471. The cubic root of 1920528 is about 124.3006923798.

The spelling of 1920528 in words is "one million, nine hundred twenty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 13337 26674 40011 53348 80022 106696 120033 160044 213392 240066 320088 480132 640176 960264 1920528