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85077950 = 25231131419
BaseRepresentation
bin1010001001000…
…10111110111110
312221002102000012
411010202332332
5133234443300
612235303222
72052102446
oct504427676
9187072005
1085077950
114402a361
12245aab12
131481a7a9
14b429126
157708435
hex5122fbe

85077950 has 48 divisors (see below), whose sum is σ = 164989440. Its totient is φ = 32604000.

The previous prime is 85077931. The next prime is 85077977. The reversal of 85077950 is 5977058.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85077898 and 85077907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202841 + ... + 203259.

It is an arithmetic number, because the mean of its divisors is an integer number (3437280).

Almost surely, 285077950 is an apocalyptic number.

85077950 is a deficient number, since it is larger than the sum of its proper divisors (79911490).

85077950 is a wasteful number, since it uses less digits than its factorization.

85077950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 85077950 is about 9223.7709208328. The cubic root of 85077950 is about 439.8173311992.

The spelling of 85077950 in words is "eighty-five million, seventy-seven thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 131 155 262 310 419 655 775 838 1310 1550 2095 3275 4061 4190 6550 8122 10475 12989 20305 20950 25978 40610 54889 64945 101525 109778 129890 203050 274445 324725 548890 649450 1372225 1701559 2744450 3403118 8507795 17015590 42538975 85077950