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1552485285 = 34513294869
BaseRepresentation
bin101110010001001…
…0000101110100101
311000012021102110000
41130202100232211
511134414012120
6414015051513
753320623111
oct13442205645
94005242400
101552485285
1172737919a
12373b10b99
131b983a960
1410a286741
1591465990
hex5c890ba5

1552485285 has 40 divisors (see below), whose sum is σ = 2997058680. Its totient is φ = 764297856.

The previous prime is 1552485283. The next prime is 1552485289. The reversal of 1552485285 is 5825842551.

1552485285 is a `hidden beast` number, since 1 + 552 + 48 + 52 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35928036 + 1516557249 = 5994^2 + 38943^2 .

It is not a de Polignac number, because 1552485285 - 21 = 1552485283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1552485285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552485283) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142170 + ... + 152699.

It is an arithmetic number, because the mean of its divisors is an integer number (74926467).

Almost surely, 21552485285 is an apocalyptic number.

1552485285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552485285 is a deficient number, since it is larger than the sum of its proper divisors (1444573395).

1552485285 is a wasteful number, since it uses less digits than its factorization.

1552485285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294899 (or 294890 counting only the distinct ones).

The product of its digits is 640000, while the sum is 45.

The square root of 1552485285 is about 39401.5898790899. The cubic root of 1552485285 is about 1157.9127360481.

The spelling of 1552485285 in words is "one billion, five hundred fifty-two million, four hundred eighty-five thousand, two hundred eighty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 81 117 135 195 351 405 585 1053 1755 5265 294869 884607 1474345 2653821 3833297 4423035 7961463 11499891 13269105 19166485 23884389 34499673 39807315 57499455 103499019 119421945 172498365 310497057 517495095 1552485285