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84302740 = 2255971443
BaseRepresentation
bin1010000011001…
…01101110010100
312212122000121201
411001211232110
5133040141430
612210522244
72042363404
oct501455624
9185560551
1084302740
114364a995
1224296384
13146089a2
14b2a6804
1576038ca
hex5065b94

84302740 has 24 divisors (see below), whose sum is σ = 180038880. Its totient is φ = 33149088.

The previous prime is 84302737. The next prime is 84302759. The reversal of 84302740 is 4720348.

It is a junction number, because it is equal to n+sod(n) for n = 84302699 and 84302708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34542 + ... + 36901.

It is an arithmetic number, because the mean of its divisors is an integer number (7501620).

Almost surely, 284302740 is an apocalyptic number.

It is an amenable number.

84302740 is an abundant number, since it is smaller than the sum of its proper divisors (95736140).

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

84302740 is a wasteful number, since it uses less digits than its factorization.

84302740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71511 (or 71509 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 84302740 is about 9181.6523567384. The cubic root of 84302740 is about 438.4774163659.

The spelling of 84302740 in words is "eighty-four million, three hundred two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 71443 142886 285772 357215 714430 1428860 4215137 8430274 16860548 21075685 42151370 84302740