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50625620 = 225372432
BaseRepresentation
bin1100000100011…
…1110001010100
310112021001021222
43001013301110
5100430004440
65005025512
71153211363
oct301076124
9115231258
1050625620
1126638861
1214b55298
13a6470b6
146a1b7da
1546a02b5
hex3047c54

50625620 has 54 divisors (see below), whose sum is σ = 111864942. Its totient is φ = 19244736.

The previous prime is 50625593. The next prime is 50625623. The reversal of 50625620 is 2652605.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24880144 + 25745476 = 4988^2 + 5074^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50625620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50625623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1177319 + ... + 1177361.

It is an arithmetic number, because the mean of its divisors is an integer number (2071573).

Almost surely, 250625620 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 50625620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55932471).

50625620 is an abundant number, since it is smaller than the sum of its proper divisors (61239322).

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

50625620 is a wasteful number, since it uses less digits than its factorization.

50625620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50625620 is about 7115.1683044043. The cubic root of 50625620 is about 369.9333213177.

The spelling of 50625620 in words is "fifty million, six hundred twenty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 37 43 74 86 148 172 185 215 370 430 740 860 1369 1591 1849 2738 3182 3698 5476 6364 6845 7396 7955 9245 13690 15910 18490 27380 31820 36980 58867 68413 117734 136826 235468 273652 294335 342065 588670 684130 1177340 1368260 2531281 5062562 10125124 12656405 25312810 50625620