Search a number
-
+
91252083 = 3132339797
BaseRepresentation
bin1010111000001…
…10010101110011
320100201002022210
411130012111303
5141330031313
613015503203
72155426026
oct534062563
9210632283
1091252083
114756704a
1226687b03
1315b9cb20
14c1951bd
1580279c3
hex5706573

91252083 has 8 divisors (see below), whose sum is σ = 131028688. Its totient is φ = 56155104.

The previous prime is 91252069. The next prime is 91252087. The reversal of 91252083 is 38025219.

It is a happy number.

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

It is not a de Polignac number, because 91252083 - 29 = 91251571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91252083.

It is not an unprimeable number, because it can be changed into a prime (91252087) 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, 1169860 + ... + 1169937.

It is an arithmetic number, because the mean of its divisors is an integer number (16378586).

Almost surely, 291252083 is an apocalyptic number.

91252083 is a deficient number, since it is larger than the sum of its proper divisors (39776605).

91252083 is a wasteful number, since it uses less digits than its factorization.

91252083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339813.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 91252083 is about 9552.5956158523. The cubic root of 91252083 is about 450.2090929532.

The spelling of 91252083 in words is "ninety-one million, two hundred fifty-two thousand, eighty-three".

Divisors: 1 3 13 39 2339797 7019391 30417361 91252083