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40880112 = 2437313191
BaseRepresentation
bin1001101111110…
…0011111110000
32211220220222020
42123330133300
540431130422
64020111440
71004322000
oct233743760
984826866
1040880112
1121091919
1211835580
138614320
145602000
1538c795c
hex26fc7f0

40880112 has 160 divisors (see below), whose sum is σ = 133324800. Its totient is φ = 10725120.

The previous prime is 40880101. The next prime is 40880113. The reversal of 40880112 is 21108804.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880113) 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, 213937 + ... + 214127.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 240880112 is an apocalyptic number.

40880112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40880112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66662400).

40880112 is an abundant number, since it is smaller than the sum of its proper divisors (92444688).

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

40880112 is a wasteful number, since it uses less digits than its factorization.

40880112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 40880112 is about 6393.7557038098. The cubic root of 40880112 is about 344.4852984571.

Adding to 40880112 its reverse (21108804), we get a palindrome (61988916).

The spelling of 40880112 in words is "forty million, eight hundred eighty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 191 196 208 273 294 312 336 343 364 382 392 546 573 588 624 637 686 728 764 784 1029 1092 1146 1176 1274 1337 1372 1456 1528 1911 2058 2184 2292 2352 2483 2548 2674 2744 3056 3822 4011 4116 4368 4459 4584 4966 5096 5348 5488 7449 7644 8022 8232 8918 9168 9359 9932 10192 10696 13377 14898 15288 16044 16464 17381 17836 18718 19864 21392 26754 28077 29796 30576 32088 34762 35672 37436 39728 52143 53508 56154 59592 64176 65513 69524 71344 74872 104286 107016 112308 119184 121667 131026 139048 149744 196539 208572 214032 224616 243334 262052 278096 365001 393078 417144 449232 486668 524104 730002 786156 834288 851669 973336 1048208 1460004 1572312 1703338 1946672 2555007 2920008 3144624 3406676 5110014 5840016 6813352 10220028 13626704 20440056 40880112