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85874372 = 2221468593
BaseRepresentation
bin1010001111001…
…01011011000100
312222120212111022
411013211123010
5133440434442
612304330312
72061630413
oct507453304
9188525438
1085874372
1144523761
1224913998
1314a3914c
14b59547a
1578143d2
hex51e56c4

85874372 has 6 divisors (see below), whose sum is σ = 150280158. Its totient is φ = 42937184.

The previous prime is 85874351. The next prime is 85874381. The reversal of 85874372 is 27347858.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 7268416 = 8866^2 + 2696^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10734293 + ... + 10734300.

It is an arithmetic number, because the mean of its divisors is an integer number (25046693).

Almost surely, 285874372 is an apocalyptic number.

It is an amenable number.

85874372 is a deficient number, since it is larger than the sum of its proper divisors (64405786).

85874372 is a wasteful number, since it uses less digits than its factorization.

85874372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21468597 (or 21468595 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 85874372 is about 9266.8426122385. The cubic root of 85874372 is about 441.1854602564.

The spelling of 85874372 in words is "eighty-five million, eight hundred seventy-four thousand, three hundred seventy-two".

Divisors: 1 2 4 21468593 42937186 85874372