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1948890119 = 112326592897
BaseRepresentation
bin111010000101001…
…1011010000000111
312000211011212122112
41310022123100013
512442403440434
6521215251235
766203202251
oct16412332007
95024155575
101948890119
11910108aa0
12464819b1b
132509c0a27
14146b92cd1
15b6168dce
hex7429b407

1948890119 has 16 divisors (see below), whose sum is σ = 2220099840. Its totient is φ = 1693464960.

The previous prime is 1948890079. The next prime is 1948890131. The reversal of 1948890119 is 9110988491.

It is not a de Polignac number, because 1948890119 - 216 = 1948824583 is a prime.

It is a super-2 number, since 2×19488901192 = 7596345391871668322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948890179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671279 + ... + 674175.

It is an arithmetic number, because the mean of its divisors is an integer number (138756240).

Almost surely, 21948890119 is an apocalyptic number.

1948890119 is a deficient number, since it is larger than the sum of its proper divisors (271209721).

1948890119 is a wasteful number, since it uses less digits than its factorization.

1948890119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its (nonzero) digits is 186624, while the sum is 50.

The square root of 1948890119 is about 44146.2356152821. The cubic root of 1948890119 is about 1249.0959049674.

The spelling of 1948890119 in words is "one billion, nine hundred forty-eight million, eight hundred ninety thousand, one hundred nineteen".

Divisors: 1 11 23 253 2659 2897 29249 31867 61157 66631 672727 732941 7703123 84734353 177171829 1948890119