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870689041 = 1922411881
BaseRepresentation
bin110011111001011…
…010100100010001
32020200100120211021
4303321122210101
53240344022131
6222221515441
730401510005
oct6371324421
92220316737
10870689041
11407532622
12203712b81
1310b503221
14838ca705
155168be11
hex33e5a911

870689041 has 6 divisors (see below), whose sum is σ = 918927042. Its totient is φ = 824862960.

The previous prime is 870689021. The next prime is 870689059. The reversal of 870689041 is 140986078.

870689041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 506070016 + 364619025 = 22496^2 + 19095^2 .

It is not a de Polignac number, because 870689041 - 25 = 870689009 is a prime.

It is a super-2 number, since 2×8706890412 = 1516198812234999362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870689021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205580 + ... + 1206301.

It is an arithmetic number, because the mean of its divisors is an integer number (153154507).

Almost surely, 2870689041 is an apocalyptic number.

It is an amenable number.

870689041 is a deficient number, since it is larger than the sum of its proper divisors (48238001).

870689041 is a wasteful number, since it uses less digits than its factorization.

870689041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411919 (or 2411900 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 870689041 is about 29507.4404345751. The cubic root of 870689041 is about 954.8922298278.

The spelling of 870689041 in words is "eight hundred seventy million, six hundred eighty-nine thousand, forty-one".

Divisors: 1 19 361 2411881 45825739 870689041