Search a number
-
+
91349316 = 22335315959
BaseRepresentation
bin1010111000111…
…10000101000100
320100220000201000
411130132011010
5141341134231
613021533300
72156312352
oct534360504
9210800630
1091349316
1147623103
1226714230
1315c05166
14c1bc7d2
1580466e6
hex571e144

91349316 has 48 divisors (see below), whose sum is σ = 241315200. Its totient is φ = 29873376.

The previous prime is 91349309. The next prime is 91349317. The reversal of 91349316 is 61394319.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (91349317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256 + ... + 13703.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 291349316 is an apocalyptic number.

It is an amenable number.

91349316 is an abundant number, since it is smaller than the sum of its proper divisors (149965884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91349316 is a wasteful number, since it uses less digits than its factorization.

91349316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025 (or 16017 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 91349316 is about 9557.6836105826. The cubic root of 91349316 is about 450.3689418771.

The spelling of 91349316 in words is "ninety-one million, three hundred forty-nine thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 106 108 159 212 318 477 636 954 1431 1908 2862 5724 15959 31918 47877 63836 95754 143631 191508 287262 430893 574524 845827 861786 1691654 1723572 2537481 3383308 5074962 7612443 10149924 15224886 22837329 30449772 45674658 91349316