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545145536 = 2613655223
BaseRepresentation
bin100000011111100…
…100001011000000
31101222210021002102
4200133210023000
52104024124121
6130032205532
716336442405
oct4037441300
91358707072
10545145536
1125a7a1a01
121326998a8
1388c30a30
14525882ac
1532cd490b
hex207e42c0

545145536 has 28 divisors (see below), whose sum is σ = 1164988272. Its totient is φ = 251605248.

The previous prime is 545145533. The next prime is 545145539. The reversal of 545145536 is 635541545.

It is an interprime number because it is at equal distance from previous prime (545145533) and next prime (545145539).

It is a self number, because there is not a number n which added to its sum of digits gives 545145536.

It is not an unprimeable number, because it can be changed into a prime (545145533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326780 + ... + 328443.

It is an arithmetic number, because the mean of its divisors is an integer number (41606724).

Almost surely, 2545145536 is an apocalyptic number.

It is an amenable number.

545145536 is an abundant number, since it is smaller than the sum of its proper divisors (619842736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545145536 is a wasteful number, since it uses less digits than its factorization.

545145536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655248 (or 655238 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 545145536 is about 23348.3518904440. The cubic root of 545145536 is about 816.9036190024.

The spelling of 545145536 in words is "five hundred forty-five million, one hundred forty-five thousand, five hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 655223 1310446 2620892 5241784 8517899 10483568 17035798 20967136 34071596 41934272 68143192 136286384 272572768 545145536