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70255125 = 3253197317
BaseRepresentation
bin1000011000000…
…00001000010101
311220012022220200
410030000020111
5120441131000
610545451113
71512105303
oct414001025
9156168820
1070255125
1136725796
121b640a99
131172a9a5
14948b273
15627b500
hex4300215

70255125 has 48 divisors (see below), whose sum is σ = 127690992. Its totient is φ = 37161600.

The previous prime is 70255121. The next prime is 70255153. The reversal of 70255125 is 52155207.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19660356 + 50594769 = 4434^2 + 7113^2 .

It is not a de Polignac number, because 70255125 - 22 = 70255121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70255121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221467 + ... + 221783.

It is an arithmetic number, because the mean of its divisors is an integer number (2660229).

Almost surely, 270255125 is an apocalyptic number.

70255125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70255125 is a deficient number, since it is larger than the sum of its proper divisors (57435867).

70255125 is a wasteful number, since it uses less digits than its factorization.

70255125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 70255125 is about 8381.8330334122. The cubic root of 70255125 is about 412.6286100353.

The spelling of 70255125 in words is "seventy million, two hundred fifty-five thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 197 225 317 375 591 951 985 1125 1585 1773 2853 2955 4755 4925 7925 8865 14265 14775 23775 24625 39625 44325 62449 71325 73875 118875 187347 221625 312245 356625 562041 936735 1561225 2810205 4683675 7806125 14051025 23418375 70255125