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270404071 = 7271142543
BaseRepresentation
bin10000000111100…
…000100111100111
3200211210221122121
4100013200213213
51023210412241
642455410411
76462253030
oct2007404747
9624727577
10270404071
111296aa643
1276683a07
1344037a12
1427caba87
1518b14ad1
hex101e09e7

270404071 has 8 divisors (see below), whose sum is σ = 310175744. Its totient is φ = 230918040.

The previous prime is 270404063. The next prime is 270404093. The reversal of 270404071 is 170404072.

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

It is a cyclic number.

It is not a de Polignac number, because 270404071 - 23 = 270404063 is a prime.

It is a super-2 number, since 2×2704040712 = 146236723226746082, 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 (270404051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69375 + ... + 73168.

It is an arithmetic number, because the mean of its divisors is an integer number (38771968).

Almost surely, 2270404071 is an apocalyptic number.

270404071 is a deficient number, since it is larger than the sum of its proper divisors (39771673).

270404071 is a wasteful number, since it uses less digits than its factorization.

270404071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142821.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 270404071 is about 16443.9676173362. The cubic root of 270404071 is about 646.6526702194.

Subtracting from 270404071 its reverse (170404072), we obtain a palindrome (99999999).

The spelling of 270404071 in words is "two hundred seventy million, four hundred four thousand, seventy-one".

Divisors: 1 7 271 1897 142543 997801 38629153 270404071