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85453750 = 254137499
BaseRepresentation
bin1010001011111…
…10101110110110
312221210111111201
411011332232312
5133334010000
612251323114
72055226204
oct505765666
9187714451
1085453750
1144266738
122475049a
131491c865
14b4c6074
15777e96a
hex517ebb6

85453750 has 40 divisors (see below), whose sum is σ = 161667000. Its totient is φ = 33864000.

The previous prime is 85453721. The next prime is 85453759. The reversal of 85453750 is 5735458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85453759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 171001 + ... + 171499.

It is an arithmetic number, because the mean of its divisors is an integer number (4041675).

Almost surely, 285453750 is an apocalyptic number.

85453750 is a deficient number, since it is larger than the sum of its proper divisors (76213250).

85453750 is a wasteful number, since it uses less digits than its factorization.

85453750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 85453750 is about 9244.1197525779. The cubic root of 85453750 is about 440.4639562036.

The spelling of 85453750 in words is "eighty-five million, four hundred fifty-three thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 137 250 274 499 625 685 998 1250 1370 2495 3425 4990 6850 12475 17125 24950 34250 62375 68363 85625 124750 136726 171250 311875 341815 623750 683630 1709075 3418150 8545375 17090750 42726875 85453750