Search a number
-
+
91297414 = 2133511439
BaseRepresentation
bin1010111000100…
…01011010000110
320100210101111201
411130101122012
5141333004124
613020453114
72156005135
oct534213206
9210711451
1091297414
114759810a
12266aa19a
1315bb7650
14c1a791c
158036144
hex5711686

91297414 has 8 divisors (see below), whose sum is σ = 147480480. Its totient is φ = 42137256.

The previous prime is 91297411. The next prime is 91297417. The reversal of 91297414 is 41479219.

It is an interprime number because it is at equal distance from previous prime (91297411) and next prime (91297417).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91297411) 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, 1755694 + ... + 1755745.

It is an arithmetic number, because the mean of its divisors is an integer number (18435060).

Almost surely, 291297414 is an apocalyptic number.

91297414 is a deficient number, since it is larger than the sum of its proper divisors (56183066).

91297414 is a wasteful number, since it uses less digits than its factorization.

91297414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511454.

The product of its digits is 18144, while the sum is 37.

The square root of 91297414 is about 9554.9680271574. The cubic root of 91297414 is about 450.2836302468.

The spelling of 91297414 in words is "ninety-one million, two hundred ninety-seven thousand, four hundred fourteen".

Divisors: 1 2 13 26 3511439 7022878 45648707 91297414