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103210085 = 5112383983
BaseRepresentation
bin1100010011011…
…01110001100101
321012012121121202
412021231301211
5202410210320
614124052245
72362162016
oct611556145
9235177552
10103210085
11532942a0
122a694085
13184c8974
14d9c900d
1590dab75
hex626dc65

103210085 has 32 divisors (see below), whose sum is σ = 142829568. Its totient is φ = 70861120.

The previous prime is 103210069. The next prime is 103210099. The reversal of 103210085 is 580012301.

It is not a de Polignac number, because 103210085 - 24 = 103210069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104504 + ... + 105486.

It is an arithmetic number, because the mean of its divisors is an integer number (4463424).

Almost surely, 2103210085 is an apocalyptic number.

It is an amenable number.

103210085 is a deficient number, since it is larger than the sum of its proper divisors (39619483).

103210085 is a wasteful number, since it uses less digits than its factorization.

103210085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 103210085 is about 10159.2364378432. The cubic root of 103210085 is about 469.0732985094.

Adding to 103210085 its reverse (580012301), we get a palindrome (683222386).

The spelling of 103210085 in words is "one hundred three million, two hundred ten thousand, eighty-five".

Divisors: 1 5 11 23 55 83 115 253 415 913 983 1265 1909 4565 4915 9545 10813 20999 22609 54065 81589 104995 113045 248699 407945 897479 1243495 1876547 4487395 9382735 20642017 103210085