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50355252 = 223229139347
BaseRepresentation
bin1100000000010…
…1110000110100
310111202022102100
43000011300310
5100342332002
64555142100
71151004213
oct300056064
9114668370
1050355252
1126473712
1214a44930
13a58100c
14698b07a
15464a11c
hex3005c34

50355252 has 72 divisors (see below), whose sum is σ = 133005600. Its totient is φ = 16043328.

The previous prime is 50355251. The next prime is 50355271. The reversal of 50355252 is 25255305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50355251) 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, 144943 + ... + 145289.

It is an arithmetic number, because the mean of its divisors is an integer number (1847300).

Almost surely, 250355252 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 50355252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66502800).

50355252 is an abundant number, since it is smaller than the sum of its proper divisors (82650348).

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

50355252 is a wasteful number, since it uses less digits than its factorization.

50355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 50355252 is about 7096.1434596547. The cubic root of 50355252 is about 369.2735979566.

It can be divided in two parts, 503 and 55252, that added together give a palindrome (55755).

The spelling of 50355252 in words is "fifty million, three hundred fifty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 139 174 261 278 347 348 417 522 556 694 834 1041 1044 1251 1388 1668 2082 2502 3123 4031 4164 5004 6246 8062 10063 12093 12492 16124 20126 24186 30189 36279 40252 48233 48372 60378 72558 90567 96466 120756 144699 145116 181134 192932 289398 362268 434097 578796 868194 1398757 1736388 2797514 4196271 5595028 8392542 12588813 16785084 25177626 50355252