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85040370 = 2325944893
BaseRepresentation
bin1010001000110…
…01110011110010
312221000111110100
411010121303302
5133232242440
612234413230
72051555052
oct504316362
9187014410
1085040370
11440040a8
1224591216
131480665c
14b419562
1576ec230
hex5119cf2

85040370 has 24 divisors (see below), whose sum is σ = 221105196. Its totient is φ = 22677408.

The previous prime is 85040359. The next prime is 85040377. The reversal of 85040370 is 7304058.

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 11269449 = 8589^2 + 3357^2 .

It is not an unprimeable number, because it can be changed into a prime (85040377) 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 11 ways as a sum of consecutive naturals, for example, 472357 + ... + 472536.

Almost surely, 285040370 is an apocalyptic number.

85040370 is an abundant number, since it is smaller than the sum of its proper divisors (136064826).

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

85040370 is a wasteful number, since it uses less digits than its factorization.

85040370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944906 (or 944903 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 85040370 is about 9221.7335680446. The cubic root of 85040370 is about 439.7525640474.

The spelling of 85040370 in words is "eighty-five million, forty thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 944893 1889786 2834679 4724465 5669358 8504037 9448930 14173395 17008074 28346790 42520185 85040370