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542007028 = 22135501757
BaseRepresentation
bin100000010011100…
…101111011110100
31101202212210212101
4200103211323310
52102223211103
6125441031444
716300661263
oct4023457364
91352783771
10542007028
11258a489a2
12131625584
13883a2324
1451dac5da
15328b4a1d
hex204e5ef4

542007028 has 6 divisors (see below), whose sum is σ = 948512306. Its totient is φ = 271003512.

The previous prime is 542007001. The next prime is 542007031. The reversal of 542007028 is 820700245.

542007028 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 only one way, i.e., 537219684 + 4787344 = 23178^2 + 2188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542006987 and 542007005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67750875 + ... + 67750882.

Almost surely, 2542007028 is an apocalyptic number.

It is an amenable number.

542007028 is a deficient number, since it is larger than the sum of its proper divisors (406505278).

542007028 is a wasteful number, since it uses less digits than its factorization.

542007028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135501761 (or 135501759 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 542007028 is about 23281.0443923807. The cubic root of 542007028 is about 815.3329102767.

The spelling of 542007028 in words is "five hundred forty-two million, seven thousand, twenty-eight".

Divisors: 1 2 4 135501757 271003514 542007028