Search a number
-
+
68911192 = 2372942433
BaseRepresentation
bin1000001101110…
…00000001011000
311210200001101101
410012320001120
5120120124232
610501001144
71464510160
oct406700130
9153601341
1068911192
1135997aa9
121b0b31b4
131137a06c
14921b5a0
1560b31e7
hex41b8058

68911192 has 32 divisors (see below), whose sum is σ = 152762400. Its totient is φ = 28514304.

The previous prime is 68911169. The next prime is 68911207. The reversal of 68911192 is 29111986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19593 + ... + 22840.

It is an arithmetic number, because the mean of its divisors is an integer number (4773825).

Almost surely, 268911192 is an apocalyptic number.

It is an amenable number.

68911192 is an abundant number, since it is smaller than the sum of its proper divisors (83851208).

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

68911192 is a wasteful number, since it uses less digits than its factorization.

68911192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42475 (or 42471 counting only the distinct ones).

The product of its digits is 7776, while the sum is 37.

The square root of 68911192 is about 8301.2765283419. The cubic root of 68911192 is about 409.9805503365.

It can be divided in two parts, 689 and 11192, that added together give a square (11881 = 1092).

The spelling of 68911192 in words is "sixty-eight million, nine hundred eleven thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 42433 84866 169732 297031 339464 594062 1188124 1230557 2376248 2461114 4922228 8613899 9844456 17227798 34455596 68911192