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83772038 = 2719513067
BaseRepresentation
bin1001111111001…
…00001010000110
312211122001122002
410333210022012
5132421201123
612151305302
72035023230
oct477441206
9184561562
1083772038
1143318199
122407b232
131448126c
14b1a9250
15754b528
hex4fe4286

83772038 has 16 divisors (see below), whose sum is σ = 143729664. Its totient is φ = 35872200.

The previous prime is 83772037. The next prime is 83772047. The reversal of 83772038 is 83027738.

It is a junction number, because it is equal to n+sod(n) for n = 83771992 and 83772010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83772037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25781 + ... + 28847.

It is an arithmetic number, because the mean of its divisors is an integer number (8983104).

Almost surely, 283772038 is an apocalyptic number.

83772038 is a deficient number, since it is larger than the sum of its proper divisors (59957626).

83772038 is a wasteful number, since it uses less digits than its factorization.

83772038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 83772038 is about 9152.7065942266. The cubic root of 83772038 is about 437.5553788946. Note that the first 3 decimals are identical.

The spelling of 83772038 in words is "eighty-three million, seven hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 7 14 1951 3067 3902 6134 13657 21469 27314 42938 5983717 11967434 41886019 83772038