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8213054 = 219216133
BaseRepresentation
bin11111010101001000111110
3120110021012012
4133111020332
54100304204
6452011222
7126544523
oct37251076
916407165
108213054
1146aa653
122900b12
1319173c5
14113b14a
15ac376e
hex7d523e

8213054 has 8 divisors (see below), whose sum is σ = 12968040. Its totient is φ = 3890376.

The previous prime is 8213053. The next prime is 8213059. The reversal of 8213054 is 4503128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213053) 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, 108029 + ... + 108104.

It is an arithmetic number, because the mean of its divisors is an integer number (1621005).

Almost surely, 28213054 is an apocalyptic number.

8213054 is a deficient number, since it is larger than the sum of its proper divisors (4754986).

8213054 is a wasteful number, since it uses less digits than its factorization.

8213054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216154.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8213054 is about 2865.8426335024. The cubic root of 8213054 is about 201.7599180177.

The spelling of 8213054 in words is "eight million, two hundred thirteen thousand, fifty-four".

Divisors: 1 2 19 38 216133 432266 4106527 8213054