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1920450499 = 11296020221
BaseRepresentation
bin111001001110111…
…1011111111000011
311221211122222211021
41302131323333003
512413113403444
6514321530311
765406363022
oct16235737703
94854588737
101920450499
118a6053980
124571a3997
13247b44056
141430ac8b9
15b38ec584
hex7277bfc3

1920450499 has 8 divisors (see below), whose sum is σ = 2167279920. Its totient is φ = 1685661600.

The previous prime is 1920450463. The next prime is 1920450641. The reversal of 1920450499 is 9940540291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1920450499 - 211 = 1920448451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920450419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009792 + ... + 3010429.

It is an arithmetic number, because the mean of its divisors is an integer number (270909990).

Almost surely, 21920450499 is an apocalyptic number.

1920450499 is a deficient number, since it is larger than the sum of its proper divisors (246829421).

1920450499 is a wasteful number, since it uses less digits than its factorization.

1920450499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020261.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1920450499 is about 43822.9448919171. The cubic root of 1920450499 is about 1242.9902034697.

The spelling of 1920450499 in words is "one billion, nine hundred twenty million, four hundred fifty thousand, four hundred ninety-nine".

Divisors: 1 11 29 319 6020221 66222431 174586409 1920450499