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842061919 = 1518876287
BaseRepresentation
bin110010001100001…
…101100001011111
32011200111011210111
4302030031201133
53211031440134
6215320150451
726603260006
oct6214154137
92150434714
10842061919
113a235a646
121b6008427
131055bc0ba
147db97c3d
154ddd4c64
hex3230d85f

842061919 has 8 divisors (see below), whose sum is σ = 848729088. Its totient is φ = 835409400.

The previous prime is 842061911. The next prime is 842061923. The reversal of 842061919 is 919160248.

842061919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 842061919 - 23 = 842061911 is a prime.

It is a super-2 number, since 2×8420619192 = 1418136550859925122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842061911) 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, 130794 + ... + 137080.

It is an arithmetic number, because the mean of its divisors is an integer number (106091136).

Almost surely, 2842061919 is an apocalyptic number.

842061919 is a deficient number, since it is larger than the sum of its proper divisors (6667169).

842061919 is a wasteful number, since it uses less digits than its factorization.

842061919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 842061919 is about 29018.3031723083. The cubic root of 842061919 is about 944.3101892725.

The spelling of 842061919 in words is "eight hundred forty-two million, sixty-one thousand, nine hundred nineteen".

Divisors: 1 151 887 6287 133937 949337 5576569 842061919