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107731900 = 22521956701
BaseRepresentation
bin1100110101111…
…01101110111100
321111201100101101
412122331232330
5210034410100
614405022444
72445464113
oct632755674
9244640341
10107731900
11558a2631
12300b4a24
131941cbb3
1410444c7a
1596d086a
hex66bdbbc

107731900 has 36 divisors (see below), whose sum is σ = 246086680. Its totient is φ = 40824000.

The previous prime is 107731847. The next prime is 107731909. The reversal of 107731900 is 9137701.

It is a happy number.

It is a super-2 number, since 2×1077319002 = 23212324555220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107731909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26451 + ... + 30250.

Almost surely, 2107731900 is an apocalyptic number.

107731900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107731900 is an abundant number, since it is smaller than the sum of its proper divisors (138354780).

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

107731900 is a wasteful number, since it uses less digits than its factorization.

107731900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56734 (or 56727 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 107731900 is about 10379.3978630747. The cubic root of 107731900 is about 475.8259314565.

The spelling of 107731900 in words is "one hundred seven million, seven hundred thirty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 56701 113402 226804 283505 567010 1077319 1134020 1417525 2154638 2835050 4309276 5386595 5670100 10773190 21546380 26932975 53865950 107731900