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72883189 is a prime number
BaseRepresentation
bin1000101100000…
…01101111110101
312002010211221101
410112001233311
5122124230224
611122050101
71543332301
oct426015765
9162124841
1072883189
1138160245
12204a9931
131213ac62
149972d01
1565ea044
hex4581bf5

72883189 has 2 divisors, whose sum is σ = 72883190. Its totient is φ = 72883188.

The previous prime is 72883171. The next prime is 72883207. The reversal of 72883189 is 98138827.

It is a balanced prime because it is at equal distance from previous prime (72883171) and next prime (72883207).

It can be written as a sum of positive squares in only one way, i.e., 69588964 + 3294225 = 8342^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 72883189 - 211 = 72881141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72803189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36441594 + 36441595.

It is an arithmetic number, because the mean of its divisors is an integer number (36441595).

Almost surely, 272883189 is an apocalyptic number.

It is an amenable number.

72883189 is a deficient number, since it is larger than the sum of its proper divisors (1).

72883189 is an equidigital number, since it uses as much as digits as its factorization.

72883189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 46.

The square root of 72883189 is about 8537.1651618087. The cubic root of 72883189 is about 417.7108815483.

The spelling of 72883189 in words is "seventy-two million, eight hundred eighty-three thousand, one hundred eighty-nine".