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190352461 = 1327752861
BaseRepresentation
bin10110101100010…
…00110001001101
3111021011220111011
423112020301031
5342212234321
630515525221
74500653305
oct1326106115
9437156434
10190352461
11984a3692
12538b9811
1330589cc0
141b3d0605
1511aa0ae1
hexb588c4d

190352461 has 8 divisors (see below), whose sum is σ = 205738904. Its totient is φ = 175072320.

The previous prime is 190352453. The next prime is 190352471. The reversal of 190352461 is 164253091.

It can be written as a sum of positive squares in 4 ways, for example, as 1976836 + 188375625 = 1406^2 + 13725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190352461 - 23 = 190352453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190352401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22830 + ... + 30031.

It is an arithmetic number, because the mean of its divisors is an integer number (25717363).

Almost surely, 2190352461 is an apocalyptic number.

It is an amenable number.

190352461 is a deficient number, since it is larger than the sum of its proper divisors (15386443).

190352461 is a wasteful number, since it uses less digits than its factorization.

190352461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53151.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 190352461 is about 13796.8279325358. The cubic root of 190352461 is about 575.2449728697.

The spelling of 190352461 in words is "one hundred ninety million, three hundred fifty-two thousand, four hundred sixty-one".

Divisors: 1 13 277 3601 52861 687193 14642497 190352461