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742213 is a prime number
BaseRepresentation
bin10110101001101000101
31101201010101
42311031011
5142222323
623524101
76210613
oct2651505
91351111
10742213
114676aa
122b9631
131ccaa4
141546b3
15e9dad
hexb5345

742213 has 2 divisors, whose sum is σ = 742214. Its totient is φ = 742212.

The previous prime is 742211. The next prime is 742219. The reversal of 742213 is 312247.

742213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494209 + 248004 = 703^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 742213 - 21 = 742211 is a prime.

Together with 742211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371106 + 371107.

It is an arithmetic number, because the mean of its divisors is an integer number (371107).

2742213 is an apocalyptic number.

It is an amenable number.

742213 is a deficient number, since it is larger than the sum of its proper divisors (1).

742213 is an equidigital number, since it uses as much as digits as its factorization.

742213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 19.

The square root of 742213 is about 861.5178465940. The cubic root of 742213 is about 90.5404924462.

The spelling of 742213 in words is "seven hundred forty-two thousand, two hundred thirteen".