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3487429225 = 527215718133
BaseRepresentation
bin1100111111011101…
…1111001001101001
3100000001012202112101
43033313133021221
524120240213400
61334015413401
7152264442100
oct31767371151
910001182471
103487429225
11152a621215
12813b24261
134376878b7
14251249037
1515627756a
hexcfddf269

3487429225 has 36 divisors (see below), whose sum is σ = 5062758924. Its totient is φ = 2376017280.

The previous prime is 3487429223. The next prime is 3487429229. The reversal of 3487429225 is 5229247843.

It can be written as a sum of positive squares in 6 ways, for example, as 290770704 + 3196658521 = 17052^2 + 56539^2 .

It is not a de Polignac number, because 3487429225 - 21 = 3487429223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487429223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183259 + ... + 201391.

Almost surely, 23487429225 is an apocalyptic number.

3487429225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3487429225 is a deficient number, since it is larger than the sum of its proper divisors (1575329699).

3487429225 is a wasteful number, since it uses less digits than its factorization.

3487429225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314 (or 18302 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 3487429225 is about 59054.4598231158. The cubic root of 3487429225 is about 1516.4745779080.

The spelling of 3487429225 in words is "three billion, four hundred eighty-seven million, four hundred twenty-nine thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 157 175 245 785 1099 1225 3925 5495 7693 18133 27475 38465 90665 126931 192325 453325 634655 888517 2846881 3173275 4442585 14234405 19928167 22212925 71172025 99640835 139497169 498204175 697485845 3487429225