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1942471870 = 25194247187
BaseRepresentation
bin111001111000111…
…1100010010111110
312000101002210110121
41303301330102332
512434233044440
6520425525154
766064511203
oct16361742276
95011083417
101942471870
11907524959
124626437ba
1324c584551
14145da1caa
15b57ec34a
hex73c7c4be

1942471870 has 8 divisors (see below), whose sum is σ = 3496449384. Its totient is φ = 776988744.

The previous prime is 1942471847. The next prime is 1942471871. The reversal of 1942471870 is 781742491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942471871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97123584 + ... + 97123603.

It is an arithmetic number, because the mean of its divisors is an integer number (437056173).

Almost surely, 21942471870 is an apocalyptic number.

1942471870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942471870 is a deficient number, since it is larger than the sum of its proper divisors (1553977514).

1942471870 is a wasteful number, since it uses less digits than its factorization.

1942471870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194247194.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1942471870 is about 44073.4826171021. The cubic root of 1942471870 is about 1247.7231876851.

The spelling of 1942471870 in words is "one billion, nine hundred forty-two million, four hundred seventy-one thousand, eight hundred seventy".

Divisors: 1 2 5 10 194247187 388494374 971235935 1942471870