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5142620 = 2257109337
BaseRepresentation
bin10011100111100001011100
3100200021100102
4103213201130
52304030440
6302120232
761466030
oct23474134
910607312
105142620
1129a27aa
121880078
1310b0992
1497c1c0
156b8b15
hex4e785c

5142620 has 48 divisors (see below), whose sum is σ = 12492480. Its totient is φ = 1741824.

The previous prime is 5142587. The next prime is 5142623. The reversal of 5142620 is 262415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5142592 and 5142601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15092 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (260260).

Almost surely, 25142620 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 5142620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6246240).

5142620 is an abundant number, since it is smaller than the sum of its proper divisors (7349860).

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

5142620 is a wasteful number, since it uses less digits than its factorization.

5142620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5142620 is about 2267.7345523672. The cubic root of 5142620 is about 172.6082216656.

The spelling of 5142620 in words is "five million, one hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 109 140 218 337 436 545 674 763 1090 1348 1526 1685 2180 2359 3052 3370 3815 4718 6740 7630 9436 11795 15260 23590 36733 47180 73466 146932 183665 257131 367330 514262 734660 1028524 1285655 2571310 5142620