Search a number
-
+
2402663140 = 2254113122367
BaseRepresentation
bin1000111100110101…
…1011101011100100
320012110000221012201
42033031123223210
514410040210030
61034225224244
7113353204543
oct21715335344
96173027181
102402663140
111023271419
12570792084
132c3a0bb87
1418b15415a
15e0e002ca
hex8f35bae4

2402663140 has 48 divisors (see below), whose sum is σ = 5208344064. Its totient is φ = 930425600.

The previous prime is 2402663101. The next prime is 2402663161. The reversal of 2402663140 is 413662042.

It is a junction number, because it is equal to n+sod(n) for n = 2402663099 and 2402663108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96237 + ... + 118603.

It is an arithmetic number, because the mean of its divisors is an integer number (108507168).

Almost surely, 22402663140 is an apocalyptic number.

2402663140 is a gapful number since it is divisible by the number (20) 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 2402663140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604172032).

2402663140 is an abundant number, since it is smaller than the sum of its proper divisors (2805680924).

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

2402663140 is a wasteful number, since it uses less digits than its factorization.

2402663140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22548 (or 22546 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2402663140 is about 49016.9678784806. The cubic root of 2402663140 is about 1339.3609375677.

The spelling of 2402663140 in words is "two billion, four hundred two million, six hundred sixty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 131 164 205 262 410 524 655 820 1310 2620 5371 10742 21484 22367 26855 44734 53710 89468 107420 111835 223670 447340 917047 1834094 2930077 3668188 4585235 5860154 9170470 11720308 14650385 18340940 29300770 58601540 120133157 240266314 480532628 600665785 1201331570 2402663140