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2953986 = 237611153
BaseRepresentation
bin1011010001001100000010
312120002002220
423101030002
51224011421
6143151510
734052130
oct13211402
95502086
102953986
111738412
12ba5596
137c5729
1456c750
153d53c6
hex2d1302

2953986 has 32 divisors (see below), whose sum is σ = 6868608. Its totient is φ = 829440.

The previous prime is 2953981. The next prime is 2953991. The reversal of 2953986 is 6893592.

It is an interprime number because it is at equal distance from previous prime (2953981) and next prime (2953991).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2953981) 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, 1986 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (214644).

22953986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2953986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3434304).

2953986 is an abundant number, since it is smaller than the sum of its proper divisors (3914622).

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

2953986 is a wasteful number, since it uses less digits than its factorization.

2953986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 116640, while the sum is 42.

The square root of 2953986 is about 1718.7163814894. The cubic root of 2953986 is about 143.4837804959.

The spelling of 2953986 in words is "two million, nine hundred fifty-three thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1153 1281 2306 2562 3459 6918 8071 16142 24213 48426 70333 140666 210999 421998 492331 984662 1476993 2953986