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838897342 = 2419448671
BaseRepresentation
bin110010000000001…
…000111010111110
32011110112101210221
4302000020322332
53204224203332
6215124251554
726534336563
oct6200107276
92143471727
10838897342
113a0598a98
121b4b40bba
13104a5187a
147d5b286a
154d9ac297
hex32008ebe

838897342 has 4 divisors (see below), whose sum is σ = 1258346016. Its totient is φ = 419448670.

The previous prime is 838897333. The next prime is 838897349. The reversal of 838897342 is 243798838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243798838 = 2121899419.

It is a self number, because there is not a number n which added to its sum of digits gives 838897342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838897349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209724334 + ... + 209724337.

It is an arithmetic number, because the mean of its divisors is an integer number (314586504).

Almost surely, 2838897342 is an apocalyptic number.

838897342 is a deficient number, since it is larger than the sum of its proper divisors (419448674).

838897342 is a wasteful number, since it uses less digits than its factorization.

838897342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419448673.

The product of its digits is 2322432, while the sum is 52.

The square root of 838897342 is about 28963.7245878357. The cubic root of 838897342 is about 943.1257578988.

The spelling of 838897342 in words is "eight hundred thirty-eight million, eight hundred ninety-seven thousand, three hundred forty-two".

Divisors: 1 2 419448671 838897342