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42190200 = 23335213601
BaseRepresentation
bin1010000011110…
…0010101111000
32221101111002000
42200330111320
541300041300
64104141000
71021416333
oct240742570
987344060
1042190200
11218a7138
1212167760
138982720
14586361a
153a85c00
hex283c578

42190200 has 192 divisors, whose sum is σ = 156760800. Its totient is φ = 10368000.

The previous prime is 42190199. The next prime is 42190217. The reversal of 42190200 is 209124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69900 + ... + 70500.

Almost surely, 242190200 is an apocalyptic number.

42190200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42190200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78380400).

42190200 is an abundant number, since it is smaller than the sum of its proper divisors (114570600).

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

42190200 is a wasteful number, since it uses less digits than its factorization.

42190200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 42190200 is about 6495.3983711548. The cubic root of 42190200 is about 348.1265889047.

Adding to 42190200 its reverse (209124), we get a palindrome (42399324).

The spelling of 42190200 in words is "forty-two million, one hundred ninety thousand, two hundred".