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4249746 = 23437709
BaseRepresentation
bin10000001101100010010010
321222220120000
4100031202102
52041442441
6231030430
751056634
oct20154222
97886500
104249746
112442996
12150b416
13b5a457
147c8a54
1558e2b6
hex40d892

4249746 has 40 divisors (see below), whose sum is σ = 9793740. Its totient is φ = 1376352.

The previous prime is 4249741. The next prime is 4249753. The reversal of 4249746 is 6479424.

It can be written as a sum of positive squares in 2 ways, for example, as 4247721 + 2025 = 2061^2 + 45^2 .

It is a d-powerful number, because it can be written as 43 + 211 + 43 + 94 + 72 + 411 + 66 .

It is a self number, because there is not a number n which added to its sum of digits gives 4249746.

It is not an unprimeable number, because it can be changed into a prime (4249741) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5640 + ... + 6348.

Almost surely, 24249746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4249746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896870).

4249746 is an abundant number, since it is smaller than the sum of its proper divisors (5543994).

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

4249746 is a wasteful number, since it uses less digits than its factorization.

4249746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 751 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4249746 is about 2061.4912078396. The cubic root of 4249746 is about 161.9773630921.

The spelling of 4249746 in words is "four million, two hundred forty-nine thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 18 27 37 54 74 81 111 162 222 333 666 709 999 1418 1998 2127 2997 4254 5994 6381 12762 19143 26233 38286 52466 57429 78699 114858 157398 236097 472194 708291 1416582 2124873 4249746