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84745306 = 2172492509
BaseRepresentation
bin1010000110100…
…01110001011010
312220110111201001
411003101301122
5133143322211
612224215214
72046215602
oct503216132
9186414631
1084745306
1143922448
122446a50a
1314732269
14b37dc02
15768eac1
hex50d1c5a

84745306 has 8 divisors (see below), whose sum is σ = 134595540. Its totient is φ = 39880128.

The previous prime is 84745291. The next prime is 84745307. The reversal of 84745306 is 60354748.

It can be written as a sum of positive squares in 2 ways, for example, as 81993025 + 2752281 = 9055^2 + 1659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84745307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246221 + ... + 1246288.

Almost surely, 284745306 is an apocalyptic number.

84745306 is a deficient number, since it is larger than the sum of its proper divisors (49850234).

84745306 is a wasteful number, since it uses less digits than its factorization.

84745306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492528.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 84745306 is about 9205.7213731462. The cubic root of 84745306 is about 439.2433725082.

The spelling of 84745306 in words is "eighty-four million, seven hundred forty-five thousand, three hundred six".

Divisors: 1 2 17 34 2492509 4985018 42372653 84745306