Search a number
-
+
207894496 = 25172571487
BaseRepresentation
bin11000110010000…
…11011111100000
3112111012010122011
430121003133200
5411210110441
632343522304
75103034255
oct1431033740
9474163564
10207894496
11a7395237
1259759394
13340bc6c4
141d87942c
15133b8581
hexc6437e0

207894496 has 48 divisors (see below), whose sum is σ = 435347136. Its totient is φ = 97386496.

The previous prime is 207894487. The next prime is 207894497. The reversal of 207894496 is 694498702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207894497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139065 + ... + 140551.

It is an arithmetic number, because the mean of its divisors is an integer number (9069732).

Almost surely, 2207894496 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 207894496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217673568).

207894496 is an abundant number, since it is smaller than the sum of its proper divisors (227452640).

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

207894496 is a wasteful number, since it uses less digits than its factorization.

207894496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 207894496 is about 14418.5469448208. The cubic root of 207894496 is about 592.3990187949.

The spelling of 207894496 in words is "two hundred seven million, eight hundred ninety-four thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 68 136 257 272 514 544 1028 1487 2056 2974 4112 4369 5948 8224 8738 11896 17476 23792 25279 34952 47584 50558 69904 101116 139808 202232 382159 404464 764318 808928 1528636 3057272 6114544 6496703 12229088 12993406 25986812 51973624 103947248 207894496