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83367988 = 22111894727
BaseRepresentation
bin1001111100000…
…01100000110100
312210212112101021
410332001200310
5132320233423
612134510524
72031421234
oct476014064
9183775337
1083367988
1143071670
1223b05444
131436c392
14b101cc4
1574bb95d
hex4f81834

83367988 has 12 divisors (see below), whose sum is σ = 159157152. Its totient is φ = 37894520.

The previous prime is 83367979. The next prime is 83368027. The reversal of 83367988 is 88976338.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947320 + ... + 947407.

It is an arithmetic number, because the mean of its divisors is an integer number (13263096).

Almost surely, 283367988 is an apocalyptic number.

It is an amenable number.

83367988 is a deficient number, since it is larger than the sum of its proper divisors (75789164).

83367988 is a wasteful number, since it uses less digits than its factorization.

83367988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894742 (or 1894740 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 83367988 is about 9130.6072087239. The cubic root of 83367988 is about 436.8507712567.

The spelling of 83367988 in words is "eighty-three million, three hundred sixty-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 1894727 3789454 7578908 20841997 41683994 83367988