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50142030 = 23537199227
BaseRepresentation
bin1011111101000…
…1101101001110
310111100110221020
42333101231032
5100314021110
64550415010
71146125451
oct277215516
9114313836
1050142030
11263384a4
1214961466
13a507c53
146933498
154606d70
hex2fd1b4e

50142030 has 64 divisors (see below), whose sum is σ = 124761600. Its totient is φ = 12887424.

The previous prime is 50142023. The next prime is 50142041. The reversal of 50142030 is 3024105.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220777 + ... + 221003.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 250142030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50142030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62380800).

50142030 is an abundant number, since it is smaller than the sum of its proper divisors (74619570).

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

50142030 is a wasteful number, since it uses less digits than its factorization.

50142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50142030 is about 7081.1037275272. The cubic root of 50142030 is about 368.7516487526.

Adding to 50142030 its reverse (3024105), we get a palindrome (53166135).

The spelling of 50142030 in words is "fifty million, one hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 199 222 227 370 398 454 555 597 681 995 1110 1135 1194 1362 1990 2270 2985 3405 5970 6810 7363 8399 14726 16798 22089 25197 36815 41995 44178 45173 50394 73630 83990 90346 110445 125985 135519 220890 225865 251970 271038 451730 677595 1355190 1671401 3342802 5014203 8357005 10028406 16714010 25071015 50142030