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40757568 = 2631712487
BaseRepresentation
bin1001101101111…
…0100101000000
32211200200212120
42123132211000
540413220233
64013324240
71003301505
oct233364500
984620776
1040757568
1121008845
1211796680
1385a0607
1455ad4ac
1538a14b3
hex26de940

40757568 has 56 divisors (see below), whose sum is σ = 114190272. Its totient is φ = 12785664.

The previous prime is 40757543. The next prime is 40757569. The reversal of 40757568 is 86575704.

It is a super-2 number, since 2×407575682 = 3322358698549248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (2039112).

Almost surely, 240757568 is an apocalyptic number.

40757568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40757568 is an abundant number, since it is smaller than the sum of its proper divisors (73432704).

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

40757568 is a wasteful number, since it uses less digits than its factorization.

40757568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519 (or 12509 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 40757568 is about 6384.1654113909. The cubic root of 40757568 is about 344.1407392392.

It can be divided in two parts, 407 and 57568, that added together give a palindrome (57975).

The spelling of 40757568 in words is "forty million, seven hundred fifty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 136 192 204 272 408 544 816 1088 1632 3264 12487 24974 37461 49948 74922 99896 149844 199792 212279 299688 399584 424558 599376 636837 799168 849116 1198752 1273674 1698232 2397504 2547348 3396464 5094696 6792928 10189392 13585856 20378784 40757568