Search a number
-
+
70882869 = 323627623
BaseRepresentation
bin1000011100110…
…01011000110101
311221101020000110
410032121120311
5121121222434
611011133233
71520331411
oct416313065
9157336013
1070882869
1137014392
121b8a4219
13118ba635
1495b1d41
1563524e9
hex4399635

70882869 has 4 divisors (see below), whose sum is σ = 94510496. Its totient is φ = 47255244.

The previous prime is 70882837. The next prime is 70882879. The reversal of 70882869 is 96828807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70882869 - 25 = 70882837 is a prime.

It is a super-2 number, since 2×708828692 = 10048762235342322, 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 (70882879) 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 3 ways as a sum of consecutive naturals, for example, 11813809 + ... + 11813814.

It is an arithmetic number, because the mean of its divisors is an integer number (23627624).

Almost surely, 270882869 is an apocalyptic number.

It is an amenable number.

70882869 is a deficient number, since it is larger than the sum of its proper divisors (23627627).

70882869 is a wasteful number, since it uses less digits than its factorization.

70882869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23627626.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 70882869 is about 8419.1964580950. The cubic root of 70882869 is about 413.8539415689.

The spelling of 70882869 in words is "seventy million, eight hundred eighty-two thousand, eight hundred sixty-nine".

Divisors: 1 3 23627623 70882869