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4136842 = 22068421
BaseRepresentation
bin1111110001111110001010
321210011200101
433301332022
52024334332
6224400014
750106523
oct17617612
97704611
104136842
112376086
12147600a
13b1ac48
1479984a
1556aae7
hex3f1f8a

4136842 has 4 divisors (see below), whose sum is σ = 6205266. Its totient is φ = 2068420.

The previous prime is 4136833. The next prime is 4136861. The reversal of 4136842 is 2486314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2486314 = 21243157.

It can be written as a sum of positive squares in only one way, i.e., 4124961 + 11881 = 2031^2 + 109^2 .

It is a super-2 number, since 2×41368422 = 34226923465928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4136842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034209 + ... + 1034212.

Almost surely, 24136842 is an apocalyptic number.

4136842 is a deficient number, since it is larger than the sum of its proper divisors (2068424).

4136842 is a wasteful number, since it uses less digits than its factorization.

4136842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068423.

The product of its digits is 4608, while the sum is 28.

The square root of 4136842 is about 2033.9228107281. The cubic root of 4136842 is about 160.5300390523.

The spelling of 4136842 in words is "four million, one hundred thirty-six thousand, eight hundred forty-two".

Divisors: 1 2 2068421 4136842