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1920020416 = 2630000319
BaseRepresentation
bin111001001110001…
…0010111111000000
311221210212010212021
41302130102333000
512413011123131
6514304411224
765402622106
oct16234227700
94853763767
101920020416
118a588a836
12457016b14
13247a23372
14142dd9c76
15b3864e11
hex72712fc0

1920020416 has 14 divisors (see below), whose sum is σ = 3810040640. Its totient is φ = 960010176.

The previous prime is 1920020413. The next prime is 1920020437. The reversal of 1920020416 is 6140200291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920020413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000096 + ... + 15000223.

It is an arithmetic number, because the mean of its divisors is an integer number (272145760).

Almost surely, 21920020416 is an apocalyptic number.

1920020416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1920020416 is a deficient number, since it is larger than the sum of its proper divisors (1890020224).

1920020416 is an equidigital number, since it uses as much as digits as its factorization.

1920020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000331 (or 30000321 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1920020416 is about 43818.0375644551. The cubic root of 1920020416 is about 1242.8974077311.

The spelling of 1920020416 in words is "one billion, nine hundred twenty million, twenty thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 64 30000319 60000638 120001276 240002552 480005104 960010208 1920020416