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83472379 = 307271897
BaseRepresentation
bin1001111100110…
…10111111111011
312211001211120121
410332122333323
5132332104004
612141034111
72032334464
oct476327773
9184054517
1083472379
1143133041
1223b55937
13143a7a53
14b12bd6b
1574dc854
hex4f9affb

83472379 has 4 divisors (see below), whose sum is σ = 83744584. Its totient is φ = 83200176.

The previous prime is 83472373. The next prime is 83472383. The reversal of 83472379 is 97327438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83472379 - 23 = 83472371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83472371) 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, 135642 + ... + 136255.

It is an arithmetic number, because the mean of its divisors is an integer number (20936146).

Almost surely, 283472379 is an apocalyptic number.

83472379 is a deficient number, since it is larger than the sum of its proper divisors (272205).

83472379 is a wasteful number, since it uses less digits than its factorization.

83472379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272204.

The product of its digits is 254016, while the sum is 43.

The square root of 83472379 is about 9136.3219623654. The cubic root of 83472379 is about 437.0330325331.

The spelling of 83472379 in words is "eighty-three million, four hundred seventy-two thousand, three hundred seventy-nine".

Divisors: 1 307 271897 83472379