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42900223 is a prime number
BaseRepresentation
bin1010001110100…
…1101011111111
32222201120001011
42203221223333
541440301343
64131300051
71030434352
oct243515377
988646034
1042900223
1122241633
121244a627
138b70962
1459aa299
153b7629d
hex28e9aff

42900223 has 2 divisors, whose sum is σ = 42900224. Its totient is φ = 42900222.

The previous prime is 42900149. The next prime is 42900281. The reversal of 42900223 is 32200924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42900223 - 221 = 40803071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42900194 and 42900203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42900023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21450111 + 21450112.

It is an arithmetic number, because the mean of its divisors is an integer number (21450112).

Almost surely, 242900223 is an apocalyptic number.

42900223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42900223 is an equidigital number, since it uses as much as digits as its factorization.

42900223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42900223 is about 6549.8261808998. The cubic root of 42900223 is about 350.0686205591.

It can be divided in two parts, 429002 and 23, that added together give a square (429025 = 6552).

The spelling of 42900223 in words is "forty-two million, nine hundred thousand, two hundred twenty-three".