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249606942 = 23134768087
BaseRepresentation
bin11101110000010…
…11001100011110
3122101200100100120
432320023030132
51002344410232
640433535410
76120424014
oct1670131436
9571610316
10249606942
11118995432
126b714566
133c935820
14252168b4
1516da792c
hexee0b31e

249606942 has 32 divisors (see below), whose sum is σ = 549061632. Its totient is φ = 75166944.

The previous prime is 249606941. The next prime is 249606977.

249606942 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 249606894 and 249606903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249606941) 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, 30378 + ... + 37709.

It is an arithmetic number, because the mean of its divisors is an integer number (17158176).

Almost surely, 2249606942 is an apocalyptic number.

249606942 is an abundant number, since it is smaller than the sum of its proper divisors (299454690).

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

249606942 is a wasteful number, since it uses less digits than its factorization.

249606942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68152.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 249606942 is about 15798.9538261241. The cubic root of 249606942 is about 629.6302037410.

The spelling of 249606942 in words is "two hundred forty-nine million, six hundred six thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1222 1833 3666 68087 136174 204261 408522 885131 1770262 2655393 3200089 5310786 6400178 9600267 19200534 41601157 83202314 124803471 249606942