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1920716 = 22768597
BaseRepresentation
bin111010100111011001100
310121120201122
413110323030
5442430331
6105100112
722216520
oct7247314
93546648
101920716
1110a2076
12787638
13523325
1437dd80
1527e17b
hex1d4ecc

1920716 has 12 divisors (see below), whose sum is σ = 3841488. Its totient is φ = 823152.

The previous prime is 1920713. The next prime is 1920731. The reversal of 1920716 is 6170291.

1920716 is nontrivially palindromic in base 13.

1920716 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1920713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34271 + ... + 34326.

It is an arithmetic number, because the mean of its divisors is an integer number (320124).

21920716 is an apocalyptic number.

It is an amenable number.

1920716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1920716 is a wasteful number, since it uses less digits than its factorization.

1920716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68608 (or 68606 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1920716 is about 1385.8989862180. The cubic root of 1920716 is about 124.3047481686.

The spelling of 1920716 in words is "one million, nine hundred twenty thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 68597 137194 274388 480179 960358 1920716