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69789316 = 2241772
BaseRepresentation
bin1000010100011…
…10011010000100
311212022122221111
410022032122010
5120331224231
610531454404
71505125252
oct412163204
9155278844
1069789316
1136437823
121b457404
13115c696c
1493a95d2
1561d84b1
hex428e684

69789316 has 9 divisors (see below), whose sum is σ = 122160549. Its totient is φ = 34886304.

The previous prime is 69789281. The next prime is 69789329. The reversal of 69789316 is 61398796.

The square root of 69789316 is 8354.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 64480900 + 5308416 = 8030^2 + 2304^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69789316.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14620 + ... + 18796.

Almost surely, 269789316 is an apocalyptic number.

69789316 is the 8354-th square number.

It is an amenable number.

69789316 is a deficient number, since it is larger than the sum of its proper divisors (52371233).

69789316 is an frugal number, since it uses more digits than its factorization.

69789316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8358 (or 4179 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The cubic root of 69789316 is about 411.7146435767.

Multiplying 69789316 by its sum of digits (49), we get a square (3419676484 = 584782).

The spelling of 69789316 in words is "sixty-nine million, seven hundred eighty-nine thousand, three hundred sixteen".

Divisors: 1 2 4 4177 8354 16708 17447329 34894658 69789316