Search a number
-
+
71053258 = 236139833
BaseRepresentation
bin1000011110000…
…10111111001010
311221200212202011
410033002333022
5121142201013
611014530134
71521641233
oct417027712
9157625664
1071053258
1137120401
121b96694a
131194a063
14961808a
156387c3d
hex43c2fca

71053258 has 8 divisors (see below), whose sum is σ = 106620228. Its totient is φ = 35513184.

The previous prime is 71053253. The next prime is 71053267. The reversal of 71053258 is 85235017.

It can be written as a sum of positive squares in 2 ways, for example, as 61732449 + 9320809 = 7857^2 + 3053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71053253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310 + ... + 12142.

Almost surely, 271053258 is an apocalyptic number.

71053258 is a deficient number, since it is larger than the sum of its proper divisors (35566970).

71053258 is a wasteful number, since it uses less digits than its factorization.

71053258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 71053258 is about 8429.3094616344. The cubic root of 71053258 is about 414.1852850613.

The spelling of 71053258 in words is "seventy-one million, fifty-three thousand, two hundred fifty-eight".

Divisors: 1 2 3613 7226 9833 19666 35526629 71053258