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40752650 = 252815053
BaseRepresentation
bin1001101101110…
…1011000001010
32211200110010102
42123131120022
540413041100
64013245402
71003251251
oct233353012
984613112
1040752650
1121005084
1211793862
13859b2c3
1455ab798
15389ecd5
hex26dd60a

40752650 has 12 divisors (see below), whose sum is σ = 75800022. Its totient is φ = 16301040.

The previous prime is 40752643. The next prime is 40752653. The reversal of 40752650 is 5625704.

40752650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 38353249 + 2399401 = 6193^2 + 1549^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40752653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407477 + ... + 407576.

Almost surely, 240752650 is an apocalyptic number.

40752650 is a deficient number, since it is larger than the sum of its proper divisors (35047372).

40752650 is a wasteful number, since it uses less digits than its factorization.

40752650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815065 (or 815060 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 40752650 is about 6383.7802280467. The cubic root of 40752650 is about 344.1268968020.

The spelling of 40752650 in words is "forty million, seven hundred fifty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 815053 1630106 4075265 8150530 20376325 40752650