Search a number
-
+
83397207 = 343164499
BaseRepresentation
bin1001111100010…
…00101001010111
312210221000110110
410332020221113
5132322202312
612135254103
72031602355
oct476105127
9183830413
1083397207
1143091613
1223b1a333
131437c77a
14b10c7d5
1574c543c
hex4f88a57

83397207 has 8 divisors (see below), whose sum is σ = 111456000. Its totient is φ = 55468280.

The previous prime is 83397203. The next prime is 83397211. The reversal of 83397207 is 70279338.

It is an interprime number because it is at equal distance from previous prime (83397203) and next prime (83397211).

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

It is a cyclic number.

It is not a de Polignac number, because 83397207 - 22 = 83397203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83397203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30957 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (13932000).

Almost surely, 283397207 is an apocalyptic number.

83397207 is a deficient number, since it is larger than the sum of its proper divisors (28058793).

83397207 is a wasteful number, since it uses less digits than its factorization.

83397207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64933.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 83397207 is about 9132.2071264290. The cubic root of 83397207 is about 436.9018014425.

The spelling of 83397207 in words is "eighty-three million, three hundred ninety-seven thousand, two hundred seven".

Divisors: 1 3 431 1293 64499 193497 27799069 83397207