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40755930 = 2356122271
BaseRepresentation
bin1001101101111…
…0001011011010
32211200121121220
42123132023122
540413142210
64013312510
71003263645
oct233361332
984617556
1040755930
1121007596
1211795736
13859c947
1455aca5c
1538a0c70
hex26de2da

40755930 has 32 divisors (see below), whose sum is σ = 99422208. Its totient is φ = 10689600.

The previous prime is 40755901. The next prime is 40755947. The reversal of 40755930 is 3955704.

It is a super-2 number, since 2×407559302 = 3322091660329800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40755891 and 40755900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9306 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (3106944).

Almost surely, 240755930 is an apocalyptic number.

40755930 is an abundant number, since it is smaller than the sum of its proper divisors (58666278).

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

40755930 is a wasteful number, since it uses less digits than its factorization.

40755930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 40755930 is about 6384.0371239522. The cubic root of 40755930 is about 344.1361289700.

The spelling of 40755930 in words is "forty million, seven hundred fifty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 22271 44542 66813 111355 133626 222710 334065 668130 1358531 2717062 4075593 6792655 8151186 13585310 20377965 40755930