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190474225 = 527618969
BaseRepresentation
bin10110101101001…
…10011111110001
3111021102002111221
423112212133301
5342230133400
630522305041
74502001304
oct1326463761
9437362457
10190474225
1198577117
1253958181
1330600556
141b422b3b
1511ac6c1a
hexb5a67f1

190474225 has 6 divisors (see below), whose sum is σ = 236188070. Its totient is φ = 152379360.

The previous prime is 190474217. The next prime is 190474237. The reversal of 190474225 is 522474091.

It can be written as a sum of positive squares in 3 ways, for example, as 66129424 + 124344801 = 8132^2 + 11151^2 .

It is not a de Polignac number, because 190474225 - 23 = 190474217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3809460 + ... + 3809509.

Almost surely, 2190474225 is an apocalyptic number.

It is an amenable number.

190474225 is a deficient number, since it is larger than the sum of its proper divisors (45713845).

190474225 is an equidigital number, since it uses as much as digits as its factorization.

190474225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618979 (or 7618974 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 190474225 is about 13801.2399805235. The cubic root of 190474225 is about 575.3676036264.

The spelling of 190474225 in words is "one hundred ninety million, four hundred seventy-four thousand, two hundred twenty-five".

Divisors: 1 5 25 7618969 38094845 190474225