Search a number
-
+
361098972 = 22351317412
BaseRepresentation
bin10101100001011…
…110111011011100
3221011110201200000
4111201132323130
51214420131342
655455334300
711643201453
oct2541367334
9834421600
10361098972
11175916003
12a0b21390
1359a71040
1435d59b9a
1521a7c44c
hex1585eedc

361098972 has 216 divisors, whose sum is σ = 1106331408. Its totient is φ = 102021120.

The previous prime is 361098949. The next prime is 361098977. The reversal of 361098972 is 279890163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361098977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8807272 + ... + 8807312.

Almost surely, 2361098972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361098972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553165704).

361098972 is an abundant number, since it is smaller than the sum of its proper divisors (745232436).

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

361098972 is a wasteful number, since it uses less digits than its factorization.

361098972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 361098972 is about 19002.6043478256. The cubic root of 361098972 is about 712.1018007661.

The spelling of 361098972 in words is "three hundred sixty-one million, ninety-eight thousand, nine hundred seventy-two".