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2949738 = 2311217239
BaseRepresentation
bin1011010000001001101010
312112212021120
423100021222
51223342423
6143120110
734033551
oct13201152
95485246
102949738
111735200
12ba3036
137c380c
1456ad98
153d3ee3
hex2d026a

2949738 has 48 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 837760.

The previous prime is 2949733. The next prime is 2949763. The reversal of 2949738 is 8379492.

It is a self number, because there is not a number n which added to its sum of digits gives 2949738.

It is not an unprimeable number, because it can be changed into a prime (2949733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12223 + ... + 12461.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

22949738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2949738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2949738 is an abundant number, since it is smaller than the sum of its proper divisors (3944982).

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

2949738 is a wasteful number, since it uses less digits than its factorization.

2949738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 272 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 2949738 is about 1717.4801308894. The cubic root of 2949738 is about 143.4149682190.

The spelling of 2949738 in words is "two million, nine hundred forty-nine thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 121 187 239 242 363 374 478 561 717 726 1122 1434 2057 2629 4063 4114 5258 6171 7887 8126 12189 12342 15774 24378 28919 44693 57838 86757 89386 134079 173514 268158 491623 983246 1474869 2949738