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84748769 = 767180701
BaseRepresentation
bin1010000110100…
…10100111100001
312220110200110022
411003102213201
5133143430034
612224243225
72046231650
oct503224741
9186420408
1084748769
1143925006
1224470515
1314733a01
14b381197
157690b2e
hex50d29e1

84748769 has 8 divisors (see below), whose sum is σ = 98301888. Its totient is φ = 71557200.

The previous prime is 84748739. The next prime is 84748777. The reversal of 84748769 is 96784748.

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 84748769 - 220 = 83700193 is a prime.

It is a super-2 number, since 2×847487692 = 14364707694030722, which contains 22 as substring.

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 84748769.

It is not an unprimeable number, because it can be changed into a prime (84748739) 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, 89882 + ... + 90819.

It is an arithmetic number, because the mean of its divisors is an integer number (12287736).

Almost surely, 284748769 is an apocalyptic number.

It is an amenable number.

84748769 is a deficient number, since it is larger than the sum of its proper divisors (13553119).

84748769 is a wasteful number, since it uses less digits than its factorization.

84748769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180775.

The product of its digits is 2709504, while the sum is 53.

The square root of 84748769 is about 9205.9094607757. The cubic root of 84748769 is about 439.2493554515.

The spelling of 84748769 in words is "eighty-four million, seven hundred forty-eight thousand, seven hundred sixty-nine".

Divisors: 1 7 67 469 180701 1264907 12106967 84748769