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189572701 is a prime number
BaseRepresentation
bin10110100110010…
…10011001011101
3111012201021212011
423103022121131
5342012311301
630451111221
74461225043
oct1323123135
9435637764
10189572701
119801085a
12535a2511
13303760c6
141b26a393
1511999a51
hexb4ca65d

189572701 has 2 divisors, whose sum is σ = 189572702. Its totient is φ = 189572700.

The previous prime is 189572687. The next prime is 189572711. The reversal of 189572701 is 107275981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153884025 + 35688676 = 12405^2 + 5974^2 .

It is an emirp because it is prime and its reverse (107275981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189572701 - 213 = 189564509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189572711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94786350 + 94786351.

It is an arithmetic number, because the mean of its divisors is an integer number (94786351).

Almost surely, 2189572701 is an apocalyptic number.

It is an amenable number.

189572701 is a deficient number, since it is larger than the sum of its proper divisors (1).

189572701 is an equidigital number, since it uses as much as digits as its factorization.

189572701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 189572701 is about 13768.5402639496. The cubic root of 189572701 is about 574.4584198621.

The spelling of 189572701 in words is "one hundred eighty-nine million, five hundred seventy-two thousand, seven hundred one".