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10087938 = 232723592
BaseRepresentation
bin100110011110…
…111000000010
3200222112001100
4212132320002
510040303223
61000115230
7151513620
oct46367002
920875040
1010087938
115770243
123465b16
1321228c3
1414a8510
15d44043
hex99ee02

10087938 has 72 divisors (see below), whose sum is σ = 26515008. Its totient is φ = 2710224.

The previous prime is 10087933. The next prime is 10087963. The reversal of 10087938 is 83978001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10087933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 170953 + ... + 171011.

It is an arithmetic number, because the mean of its divisors is an integer number (368264).

Almost surely, 210087938 is an apocalyptic number.

10087938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10087938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13257504).

10087938 is an abundant number, since it is smaller than the sum of its proper divisors (16427070).

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

10087938 is a wasteful number, since it uses less digits than its factorization.

10087938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 10087938 is about 3176.1514447520. The cubic root of 10087938 is about 216.0731490933.

It can be divided in two parts, 10087 and 938, that added together give a square (11025 = 1052).

The spelling of 10087938 in words is "ten million, eighty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 59 63 69 118 126 138 161 177 207 322 354 413 414 483 531 826 966 1062 1239 1357 1449 2478 2714 2898 3481 3717 4071 6962 7434 8142 9499 10443 12213 18998 20886 24367 24426 28497 31329 48734 56994 62658 73101 80063 85491 146202 160126 170982 219303 240189 438606 480378 560441 720567 1120882 1441134 1681323 3362646 5043969 10087938