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40270827 = 3113211563
BaseRepresentation
bin1001100110011…
…1101111101011
32210202222012010
42121213233223
540302131302
63555051003
7666203442
oct231475753
983688163
1040270827
1120806083
12115a0a63
13845cbbc
1454c3d59
15380716c
hex2667beb

40270827 has 16 divisors (see below), whose sum is σ = 54523008. Its totient is φ = 26436480.

The previous prime is 40270817. The next prime is 40270847. The reversal of 40270827 is 72807204.

It is not a de Polignac number, because 40270827 - 214 = 40254443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40270794 and 40270803.

It is not an unprimeable number, because it can be changed into a prime (40270817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71248 + ... + 71810.

It is an arithmetic number, because the mean of its divisors is an integer number (3407688).

Almost surely, 240270827 is an apocalyptic number.

40270827 is a deficient number, since it is larger than the sum of its proper divisors (14252181).

40270827 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (40270826) it forms an eRAP, since the sums of their prime factors are consecutive (889 and 890).

40270827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 40270827 is about 6345.9299554912. The cubic root of 40270827 is about 342.7652999782.

The spelling of 40270827 in words is "forty million, two hundred seventy thousand, eight hundred twenty-seven".

Divisors: 1 3 113 211 339 563 633 1689 23843 63619 71529 118793 190857 356379 13423609 40270827