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838930607 = 1974258531
BaseRepresentation
bin110010000000010…
…001000010101111
32011110121002102222
4302000101002233
53204231234412
6215125105555
726534535554
oct6200210257
92143532388
10838930607
113a0610a89
121b4b582bb
13104a63a58
147d5c0a2b
154d9b7072
hex320110af

838930607 has 4 divisors (see below), whose sum is σ = 843189336. Its totient is φ = 834671880.

The previous prime is 838930601. The next prime is 838930613. The reversal of 838930607 is 706039838.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (838930601) and next prime (838930613).

It is a cyclic number.

It is not a de Polignac number, because 838930607 - 212 = 838926511 is a prime.

It is a super-2 number, since 2×8389306072 = 1407609126722776898, 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 (838930601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129069 + ... + 2129462.

It is an arithmetic number, because the mean of its divisors is an integer number (210797334).

Almost surely, 2838930607 is an apocalyptic number.

838930607 is a deficient number, since it is larger than the sum of its proper divisors (4258729).

838930607 is a wasteful number, since it uses less digits than its factorization.

838930607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258728.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 838930607 is about 28964.2988349451. The cubic root of 838930607 is about 943.1382237323.

The spelling of 838930607 in words is "eight hundred thirty-eight million, nine hundred thirty thousand, six hundred seven".

Divisors: 1 197 4258531 838930607