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2402620 = 2251167163
BaseRepresentation
bin1001001010100100111100
311112001202221
421022210330
51103340440
6123255124
726264503
oct11124474
94461687
102402620
1113a1140
1297a4a4
1366178c
1446783a
15326d4a
hex24a93c

2402620 has 48 divisors (see below), whose sum is σ = 5620608. Its totient is φ = 855360.

The previous prime is 2402611. The next prime is 2402633. The reversal of 2402620 is 262042.

It is a junction number, because it is equal to n+sod(n) for n = 2402594 and 2402603.

It is a congruent number.

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, 14659 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (117096).

22402620 is an apocalyptic number.

2402620 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 2402620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810304).

2402620 is an abundant number, since it is smaller than the sum of its proper divisors (3217988).

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

2402620 is a wasteful number, since it uses less digits than its factorization.

2402620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2402620 is about 1550.0387091941. The cubic root of 2402620 is about 133.9352921410.

Adding to 2402620 its reverse (262042), we get a palindrome (2664662).

The spelling of 2402620 in words is "two million, four hundred two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 163 220 268 326 335 652 670 737 815 1340 1474 1630 1793 2948 3260 3586 3685 7172 7370 8965 10921 14740 17930 21842 35860 43684 54605 109210 120131 218420 240262 480524 600655 1201310 2402620