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50997030 = 2357415923
BaseRepresentation
bin1100001010001…
…0011100100110
310112221220202220
43002202130212
5101023401110
65021013210
71156316250
oct302423446
9115856686
1050997030
1126871907
12150b4206
13a747176
146ab6cd0
154725370
hex30a2726

50997030 has 64 divisors (see below), whose sum is σ = 143313408. Its totient is φ = 11370240.

The previous prime is 50997029. The next prime is 50997031. The reversal of 50997030 is 3079905.

It is an interprime number because it is at equal distance from previous prime (50997029) and next prime (50997031).

It is a junction number, because it is equal to n+sod(n) for n = 50996982 and 50997000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50997031) 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 31 ways as a sum of consecutive naturals, for example, 5649 + ... + 11571.

It is an arithmetic number, because the mean of its divisors is an integer number (2239272).

Almost surely, 250997030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50997030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71656704).

50997030 is an abundant number, since it is smaller than the sum of its proper divisors (92316378).

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

50997030 is a wasteful number, since it uses less digits than its factorization.

50997030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 50997030 is about 7141.2204839229. The cubic root of 50997030 is about 370.8357780703.

The spelling of 50997030 in words is "fifty million, nine hundred ninety-seven thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 41 42 70 82 105 123 205 210 246 287 410 574 615 861 1230 1435 1722 2870 4305 5923 8610 11846 17769 29615 35538 41461 59230 82922 88845 124383 177690 207305 242843 248766 414610 485686 621915 728529 1214215 1243830 1457058 1699901 2428430 3399802 3642645 5099703 7285290 8499505 10199406 16999010 25498515 50997030