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43106140 = 225711231217
BaseRepresentation
bin1010010001101…
…1111101011100
310000010000111201
42210123331130
542013344030
64135525244
71032252610
oct244337534
9100100451
1043106140
1122372310
1212529824
138c135bc
145a21340
153bb72ca
hex291bf5c

43106140 has 96 divisors (see below), whose sum is σ = 117863424. Its totient is φ = 12840960.

The previous prime is 43106131. The next prime is 43106143. The reversal of 43106140 is 4160134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43106143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34812 + ... + 36028.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 243106140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43106140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58931712).

43106140 is an abundant number, since it is smaller than the sum of its proper divisors (74757284).

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

43106140 is a wasteful number, since it uses less digits than its factorization.

43106140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 43106140 is about 6565.5266353888. The cubic root of 43106140 is about 350.6278255222.

Adding to 43106140 its reverse (4160134), we get a palindrome (47266274).

The spelling of 43106140 in words is "forty-three million, one hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 23 28 35 44 46 55 70 77 92 110 115 140 154 161 220 230 253 308 322 385 460 506 644 770 805 1012 1217 1265 1540 1610 1771 2434 2530 3220 3542 4868 5060 6085 7084 8519 8855 12170 13387 17038 17710 24340 26774 27991 34076 35420 42595 53548 55982 66935 85190 93709 111964 133870 139955 170380 187418 195937 267740 279910 307901 374836 391874 468545 559820 615802 783748 937090 979685 1231604 1539505 1874180 1959370 2155307 3079010 3918740 4310614 6158020 8621228 10776535 21553070 43106140