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40830770 = 2517461521
BaseRepresentation
bin1001101111000…
…0011100110010
32211211102021202
42123300130302
540423041040
64015051202
71004025101
oct233603462
984742252
1040830770
1121058842
1211810b02
1385c7a26
1455cc038
1538b8015
hex26f0732

40830770 has 32 divisors (see below), whose sum is σ = 78137136. Its totient is φ = 15308800.

The previous prime is 40830767. The next prime is 40830799. The reversal of 40830770 is 7703804.

40830770 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 8 ways, for example, as 15358561 + 25472209 = 3919^2 + 5047^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78110 + ... + 78630.

Almost surely, 240830770 is an apocalyptic number.

40830770 is a deficient number, since it is larger than the sum of its proper divisors (37306366).

40830770 is a wasteful number, since it uses less digits than its factorization.

40830770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40830770 is about 6389.8959302950. The cubic root of 40830770 is about 344.3466455685.

The spelling of 40830770 in words is "forty million, eight hundred thirty thousand, seven hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 461 521 922 1042 2305 2605 4610 5210 7837 8857 15674 17714 39185 44285 78370 88570 240181 480362 1200905 2401810 4083077 8166154 20415385 40830770