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69130986 = 2316768993
BaseRepresentation
bin1000001111011…
…01101011101010
311211002012212220
410013231223222
5120144142421
610505414510
71466414031
oct407555352
9154065786
1069130986
1136028151
121b19a436
1311426112
149277718
1561083c6
hex41edaea

69130986 has 16 divisors (see below), whose sum is σ = 139091904. Its totient is φ = 22905344.

The previous prime is 69130981. The next prime is 69130991. The reversal of 69130986 is 68903196.

It is an interprime number because it is at equal distance from previous prime (69130981) and next prime (69130991).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69130981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33495 + ... + 35498.

It is an arithmetic number, because the mean of its divisors is an integer number (8693244).

Almost surely, 269130986 is an apocalyptic number.

69130986 is an abundant number, since it is smaller than the sum of its proper divisors (69960918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69130986 is a wasteful number, since it uses less digits than its factorization.

69130986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69165.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 69130986 is about 8314.5045552937. The cubic root of 69130986 is about 410.4159688697.

The spelling of 69130986 in words is "sixty-nine million, one hundred thirty thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 167 334 501 1002 68993 137986 206979 413958 11521831 23043662 34565493 69130986