Search a number
-
+
71354001 = 3181331397
BaseRepresentation
bin1000100000011…
…00011010010001
311222021011021210
410100030122101
5121231312001
611025210333
71524333105
oct420143221
9158234253
1071354001
1137306354
121ba909a9
1311a23c04
149695905
1563e6dd6
hex440c691

71354001 has 16 divisors (see below), whose sum is σ = 96195008. Its totient is φ = 47044800.

The previous prime is 71353999. The next prime is 71354009. The reversal of 71354001 is 10045317.

71354001 = T390 + T391 + ... + T786.

It is not a de Polignac number, because 71354001 - 21 = 71353999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71354009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179535 + ... + 179931.

It is an arithmetic number, because the mean of its divisors is an integer number (6012188).

Almost surely, 271354001 is an apocalyptic number.

It is an amenable number.

71354001 is a deficient number, since it is larger than the sum of its proper divisors (24841007).

71354001 is a wasteful number, since it uses less digits than its factorization.

71354001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 71354001 is about 8447.1297492107. The cubic root of 71354001 is about 414.7688285271.

Adding to 71354001 its reverse (10045317), we get a palindrome (81399318).

The spelling of 71354001 in words is "seventy-one million, three hundred fifty-four thousand, one".

Divisors: 1 3 181 331 397 543 993 1191 59911 71857 131407 179733 215571 394221 23784667 71354001