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107020140 = 22351783669
BaseRepresentation
bin1100110000011…
…11111101101100
321110101012000220
412120033331230
5204344121030
614341451340
72436441033
oct630177554
9243335026
10107020140
11554568a7
122ba10b50
1319230c36
14102db71a
1595dea10
hex660ff6c

107020140 has 24 divisors (see below), whose sum is σ = 299656560. Its totient is φ = 28538688.

The previous prime is 107020139. The next prime is 107020157. The reversal of 107020140 is 41020701.

It is a super-2 number, since 2×1070201402 = 22906620731239200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891775 + ... + 891894.

It is an arithmetic number, because the mean of its divisors is an integer number (12485690).

Almost surely, 2107020140 is an apocalyptic number.

107020140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107020140 is an abundant number, since it is smaller than the sum of its proper divisors (192636420).

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

107020140 is a wasteful number, since it uses less digits than its factorization.

107020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783681 (or 1783679 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 107020140 is about 10345.0538906281. The cubic root of 107020140 is about 474.7757242243.

Adding to 107020140 its reverse (41020701), we get a palindrome (148040841).

The spelling of 107020140 in words is "one hundred seven million, twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1783669 3567338 5351007 7134676 8918345 10702014 17836690 21404028 26755035 35673380 53510070 107020140