Search a number
-
+
5402740 = 2257237149
BaseRepresentation
bin10100100111000001110100
3101011111011111
4110213001310
52340341430
6311444404
763631300
oct24470164
911144144
105402740
113060182
121986704
1311721b5
14a08d00
1571ac2a
hex527074

5402740 has 72 divisors (see below), whose sum is σ = 13645800. Its totient is φ = 1790208.

The previous prime is 5402737. The next prime is 5402741. The reversal of 5402740 is 472045.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 4831204 = 756^2 + 2198^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36186 + ... + 36334.

It is an arithmetic number, because the mean of its divisors is an integer number (189525).

Almost surely, 25402740 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 5402740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6822900).

5402740 is an abundant number, since it is smaller than the sum of its proper divisors (8243060).

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

5402740 is a wasteful number, since it uses less digits than its factorization.

5402740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 5402740 is about 2324.3794870890. The cubic root of 5402740 is about 175.4707326406.

Adding to 5402740 its reverse (472045), we get a palindrome (5874785).

The spelling of 5402740 in words is "five million, four hundred two thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 49 70 74 98 140 148 149 185 196 245 259 298 370 490 518 596 740 745 980 1036 1043 1295 1490 1813 2086 2590 2980 3626 4172 5180 5215 5513 7252 7301 9065 10430 11026 14602 18130 20860 22052 27565 29204 36260 36505 38591 55130 73010 77182 110260 146020 154364 192955 270137 385910 540274 771820 1080548 1350685 2701370 5402740