[go: up one dir, main page]

Search a number
-
+
4245680 = 24573727
BaseRepresentation
bin10000001100100010110000
321222200222102
4100030202300
52041330210
6230555532
751042035
oct20144260
97880872
104245680
11243a92a
121508ba8
13b5864a
147c738c
1558cea5
hex40c8b0

4245680 has 40 divisors (see below), whose sum is σ = 10020192. Its totient is φ = 1672704.

The previous prime is 4245679. The next prime is 4245743. The reversal of 4245680 is 865424.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477 + ... + 6203.

Almost surely, 24245680 is an apocalyptic number.

4245680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5010096).

4245680 is an abundant number, since it is smaller than the sum of its proper divisors (5774512).

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

4245680 is a wasteful number, since it uses less digits than its factorization.

4245680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4245680 is about 2060.5047925205. The cubic root of 4245680 is about 161.9256886225.

The spelling of 4245680 in words is "four million, two hundred forty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 292 365 584 727 730 1168 1454 1460 2908 2920 3635 5816 5840 7270 11632 14540 29080 53071 58160 106142 212284 265355 424568 530710 849136 1061420 2122840 4245680