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40705754 = 220352877
BaseRepresentation
bin1001101101000…
…1111011011010
32211121001210112
42123101323122
540410041004
64012244322
71002664445
oct233217332
984531715
1040705754
1120a82921
12117706a2
138582b5b
14559865c
153890e6e
hex26d1eda

40705754 has 4 divisors (see below), whose sum is σ = 61058634. Its totient is φ = 20352876.

The previous prime is 40705711. The next prime is 40705787. The reversal of 40705754 is 45750704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 18361225 = 4727^2 + 4285^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40705754.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176437 + ... + 10176440.

Almost surely, 240705754 is an apocalyptic number.

40705754 is a deficient number, since it is larger than the sum of its proper divisors (20352880).

40705754 is a wasteful number, since it uses less digits than its factorization.

40705754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352879.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 40705754 is about 6380.1061119702. The cubic root of 40705754 is about 343.9948451093.

The spelling of 40705754 in words is "forty million, seven hundred five thousand, seven hundred fifty-four".

Divisors: 1 2 20352877 40705754