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83379377 = 162151437
BaseRepresentation
bin1001111100001…
…00010010110001
312210220010000002
410332010102301
5132321120002
612135035345
72031466364
oct476042261
9183803002
1083379377
114307a184
1223b0bb55
1314374613
14b1060db
1574c0002
hex4f844b1

83379377 has 4 divisors (see below), whose sum is σ = 83432436. Its totient is φ = 83326320.

The previous prime is 83379371. The next prime is 83379409. The reversal of 83379377 is 77397338.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77397338 = 238698669.

It can be written as a sum of positive squares in 2 ways, for example, as 74373376 + 9006001 = 8624^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 83379377 - 26 = 83379313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83379371) 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, 24098 + ... + 27339.

It is an arithmetic number, because the mean of its divisors is an integer number (20858109).

Almost surely, 283379377 is an apocalyptic number.

It is an amenable number.

83379377 is a deficient number, since it is larger than the sum of its proper divisors (53059).

83379377 is a wasteful number, since it uses less digits than its factorization.

83379377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53058.

The product of its digits is 666792, while the sum is 47.

The square root of 83379377 is about 9131.2308589806. The cubic root of 83379377 is about 436.8706632521.

The spelling of 83379377 in words is "eighty-three million, three hundred seventy-nine thousand, three hundred seventy-seven".

Divisors: 1 1621 51437 83379377