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1994440495 = 5928142979
BaseRepresentation
bin111011011100000…
…1011111100101111
312010222220002000111
41312320023330233
513041034043440
6525523440451
7100265315215
oct16670137457
95128802014
101994440495
1193389a733
12477b26127
1325a27ba08
1414cc4ccb5
15ba1654ea
hex76e0bf2f

1994440495 has 8 divisors (see below), whose sum is σ = 2393642160. Its totient is φ = 1595343360.

The previous prime is 1994440447. The next prime is 1994440529. The reversal of 1994440495 is 5940444991.

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

It is not a de Polignac number, because 1994440495 - 211 = 1994438447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24916 + ... + 67894.

It is an arithmetic number, because the mean of its divisors is an integer number (299205270).

Almost surely, 21994440495 is an apocalyptic number.

1994440495 is a deficient number, since it is larger than the sum of its proper divisors (399201665).

1994440495 is an equidigital number, since it uses as much as digits as its factorization.

1994440495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52265.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1994440495 is about 44659.1591389717. The cubic root of 1994440495 is about 1258.7525436096.

The spelling of 1994440495 in words is "one billion, nine hundred ninety-four million, four hundred forty thousand, four hundred ninety-five".

Divisors: 1 5 9281 42979 46405 214895 398888099 1994440495