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189701361 = 3221077929
BaseRepresentation
bin10110100111010…
…01110011110001
3111012221211100100
423103221303301
5342030420421
630453543013
74462302123
oct1323516361
9435854310
10189701361
1198099493
1253644a69
13303bc835
141b2a1213
15119c2c26
hexb4e9cf1

189701361 has 6 divisors (see below), whose sum is σ = 274013090. Its totient is φ = 126467568.

The previous prime is 189701333. The next prime is 189701371. The reversal of 189701361 is 163107981.

It can be written as a sum of positive squares in only one way, i.e., 141134400 + 48566961 = 11880^2 + 6969^2 .

It is not a de Polignac number, because 189701361 - 25 = 189701329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189701371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10538956 + ... + 10538973.

Almost surely, 2189701361 is an apocalyptic number.

It is an amenable number.

189701361 is a deficient number, since it is larger than the sum of its proper divisors (84311729).

189701361 is a wasteful number, since it uses less digits than its factorization.

189701361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077935 (or 21077932 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 189701361 is about 13773.2117169526. The cubic root of 189701361 is about 574.5883490937.

The spelling of 189701361 in words is "one hundred eighty-nine million, seven hundred one thousand, three hundred sixty-one".

Divisors: 1 3 9 21077929 63233787 189701361