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2973312 = 27322989
BaseRepresentation
bin1011010101111010000000
312121001121200
423111322000
51230121222
6143421200
734162356
oct13257200
95531550
102973312
111750991
12bb4800
13801474
145757d6
153daeac
hex2d5e80

2973312 has 96 divisors (see below), whose sum is σ = 8950500. Its totient is φ = 946176.

The previous prime is 2973277. The next prime is 2973331. The reversal of 2973312 is 2133792.

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 69696 = 1704^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33364 + ... + 33452.

22973312 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 2973312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475250).

2973312 is an abundant number, since it is smaller than the sum of its proper divisors (5977188).

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

2973312 is a wasteful number, since it uses less digits than its factorization.

2973312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 123 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2973312 is about 1724.3294348819. The cubic root of 2973312 is about 143.7960074539.

Adding to 2973312 its product of digits (2268), we get a triangular number (2975580 = T2439).

The spelling of 2973312 in words is "two million, nine hundred seventy-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 89 96 116 128 144 174 178 192 232 261 267 288 348 356 384 464 522 534 576 696 712 801 928 1044 1068 1152 1392 1424 1602 1856 2088 2136 2581 2784 2848 3204 3712 4176 4272 5162 5568 5696 6408 7743 8352 8544 10324 11136 11392 12816 15486 16704 17088 20648 23229 25632 30972 33408 34176 41296 46458 51264 61944 82592 92916 102528 123888 165184 185832 247776 330368 371664 495552 743328 991104 1486656 2973312