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82891348 = 2220722837
BaseRepresentation
bin1001111000011…
…01001001010100
312202222022112221
410330031021110
5132210010343
612120352124
72024364511
oct474151124
9182868487
1082891348
1142876551
1223915644
1314233447
14b01a308
1574255ed
hex4f0d254

82891348 has 6 divisors (see below), whose sum is σ = 145059866. Its totient is φ = 41445672.

The previous prime is 82891343. The next prime is 82891349. The reversal of 82891348 is 84319828.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 44944 = 9102^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82891343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10361415 + ... + 10361422.

Almost surely, 282891348 is an apocalyptic number.

It is an amenable number.

82891348 is a deficient number, since it is larger than the sum of its proper divisors (62168518).

82891348 is a wasteful number, since it uses less digits than its factorization.

82891348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722841 (or 20722839 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 82891348 is about 9104.4685731788. The cubic root of 82891348 is about 436.0166435865.

The spelling of 82891348 in words is "eighty-two million, eight hundred ninety-one thousand, three hundred forty-eight".

Divisors: 1 2 4 20722837 41445674 82891348