Search a number
-
+
83172027 = 371390479
BaseRepresentation
bin1001111010100…
…01101010111011
312210111120120110
410331101222323
5132243001102
612130355403
72026644021
oct475215273
9183446513
1083172027
1142a48414
1223a2bb63
1314301123
14b090711
15747d86c
hex4f51abb

83172027 has 8 divisors (see below), whose sum is σ = 112458240. Its totient is φ = 54666920.

The previous prime is 83172017. The next prime is 83172053. The reversal of 83172027 is 72027138.

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 83172027 - 27 = 83171899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83171985 and 83172003.

It is not an unprimeable number, because it can be changed into a prime (83172017) 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, 195027 + ... + 195452.

It is an arithmetic number, because the mean of its divisors is an integer number (14057280).

Almost surely, 283172027 is an apocalyptic number.

83172027 is a deficient number, since it is larger than the sum of its proper divisors (29286213).

83172027 is a wasteful number, since it uses less digits than its factorization.

83172027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390553.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 83172027 is about 9119.8699003878. The cubic root of 83172027 is about 436.5082222064.

The spelling of 83172027 in words is "eighty-three million, one hundred seventy-two thousand, twenty-seven".

Divisors: 1 3 71 213 390479 1171437 27724009 83172027