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541787042 = 21726176089
BaseRepresentation
bin100000010010110…
…000001110100010
31101202110122002202
4200102300032202
52102144141132
6125432213202
716266054026
oct4022601642
91352418082
10541787042
11258908695
1213153a202
1388326164
1451d52386
153286e762
hex204b03a2

541787042 has 16 divisors (see below), whose sum is σ = 860955480. Its totient is φ = 254819328.

The previous prime is 541787009. The next prime is 541787047. The reversal of 541787042 is 240787145.

It can be written as a sum of positive squares in 4 ways, for example, as 538657681 + 3129361 = 23209^2 + 1769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 541786987 and 541787005.

It is not an unprimeable number, because it can be changed into a prime (541787047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85934 + ... + 92022.

Almost surely, 2541787042 is an apocalyptic number.

541787042 is a deficient number, since it is larger than the sum of its proper divisors (319168438).

541787042 is a wasteful number, since it uses less digits than its factorization.

541787042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 541787042 is about 23276.3193396207. The cubic root of 541787042 is about 815.2225881542. Note that the first 3 decimals are identical.

The spelling of 541787042 in words is "five hundred forty-one million, seven hundred eighty-seven thousand, forty-two".

Divisors: 1 2 17 34 2617 5234 6089 12178 44489 88978 103513 207026 15934913 31869826 270893521 541787042