Search a number
-
+
71842026 = 2388113591
BaseRepresentation
bin1000100100000…
…11100011101010
312000011221201210
410102003203222
5121342421101
611043453550
71531434654
oct422034352
9160157653
1071842026
1137609a83
12200872b6
1311b65099
1497816d4
1564917d6
hex44838ea

71842026 has 16 divisors (see below), whose sum is σ = 143857728. Its totient is φ = 23918400.

The previous prime is 71841971. The next prime is 71842031. The reversal of 71842026 is 62024817.

It is a super-2 number, since 2×718420262 = 10322553399569352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71841984 and 71842002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1510 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (8991108).

Almost surely, 271842026 is an apocalyptic number.

71842026 is an abundant number, since it is smaller than the sum of its proper divisors (72015702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71842026 is a wasteful number, since it uses less digits than its factorization.

71842026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14477.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 71842026 is about 8475.9675553886. The cubic root of 71842026 is about 415.7122833327.

The spelling of 71842026 in words is "seventy-one million, eight hundred forty-two thousand, twenty-six".

Divisors: 1 2 3 6 881 1762 2643 5286 13591 27182 40773 81546 11973671 23947342 35921013 71842026