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193470929 is a prime number
BaseRepresentation
bin10111000100000…
…10000111010001
3111111001100012222
423202002013101
5344012032204
631110430425
74536322121
oct1342020721
9444040188
10193470929
119a233633
1254962415
133110c552
141b9a2c81
1511eb9abe
hexb8821d1

193470929 has 2 divisors, whose sum is σ = 193470930. Its totient is φ = 193470928.

The previous prime is 193470899. The next prime is 193470983. The reversal of 193470929 is 929074391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186459025 + 7011904 = 13655^2 + 2648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-193470929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193470929.

It is not a weakly prime, because it can be changed into another prime (193476929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96735464 + 96735465.

It is an arithmetic number, because the mean of its divisors is an integer number (96735465).

Almost surely, 2193470929 is an apocalyptic number.

It is an amenable number.

193470929 is a deficient number, since it is larger than the sum of its proper divisors (1).

193470929 is an equidigital number, since it uses as much as digits as its factorization.

193470929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 193470929 is about 13909.3827684768. The cubic root of 193470929 is about 578.3693087678.

The spelling of 193470929 in words is "one hundred ninety-three million, four hundred seventy thousand, nine hundred twenty-nine".