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546049157 = 2931863649
BaseRepresentation
bin100000100011000…
…000110010000101
31102001111011121212
4200203000302011
52104242033112
6130103421205
716350225023
oct4043006205
91361434555
10546049157
112602598a5
12132a54805
1389189114
1452741713
1532e12522
hex208c0c85

546049157 has 4 divisors (see below), whose sum is σ = 547913100. Its totient is φ = 544185216.

The previous prime is 546049121. The next prime is 546049169. The reversal of 546049157 is 751940645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751940645 = 5150388129.

It can be written as a sum of positive squares in 2 ways, for example, as 447364801 + 98684356 = 21151^2 + 9934^2 .

It is a cyclic number.

It is not a de Polignac number, because 546049157 - 26 = 546049093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546049057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931532 + ... + 932117.

It is an arithmetic number, because the mean of its divisors is an integer number (136978275).

Almost surely, 2546049157 is an apocalyptic number.

It is an amenable number.

546049157 is a deficient number, since it is larger than the sum of its proper divisors (1863943).

546049157 is a wasteful number, since it uses less digits than its factorization.

546049157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863942.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 546049157 is about 23367.6947301183. The cubic root of 546049157 is about 817.3547302090.

The spelling of 546049157 in words is "five hundred forty-six million, forty-nine thousand, one hundred fifty-seven".

Divisors: 1 293 1863649 546049157