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189962701 = 712675531
BaseRepresentation
bin10110101001010…
…01100111001101
3111020110002211121
423110221213031
5342112301301
630503320541
74464441055
oct1324514715
9436402747
10189962701
1198257875
1253750151
1330481786
141b32c565
1511a253a1
hexb5299cd

189962701 has 4 divisors (see below), whose sum is σ = 192638304. Its totient is φ = 187287100.

The previous prime is 189962687. The next prime is 189962711. The reversal of 189962701 is 107269981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189962701 - 29 = 189962189 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 (189962711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337695 + ... + 1337836.

It is an arithmetic number, because the mean of its divisors is an integer number (48159576).

Almost surely, 2189962701 is an apocalyptic number.

It is an amenable number.

189962701 is a deficient number, since it is larger than the sum of its proper divisors (2675603).

189962701 is an equidigital number, since it uses as much as digits as its factorization.

189962701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675602.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 189962701 is about 13782.6957087502. The cubic root of 189962701 is about 574.8520864655.

The spelling of 189962701 in words is "one hundred eighty-nine million, nine hundred sixty-two thousand, seven hundred one".

Divisors: 1 71 2675531 189962701