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38200140 = 223351159109
BaseRepresentation
bin1001000110111…
…0001101001100
32122212202202000
42101232031030
534234401030
63442432300
7642460446
oct221561514
978782660
1038200140
111a621370
1210962690
137bb6544
145105496
153548860
hex246e34c

38200140 has 192 divisors, whose sum is σ = 133056000. Its totient is φ = 9020160.

The previous prime is 38200103. The next prime is 38200147. The reversal of 38200140 is 4100283.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (38200147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350406 + ... + 350514.

It is an arithmetic number, because the mean of its divisors is an integer number (693000).

Almost surely, 238200140 is an apocalyptic number.

38200140 is a gapful number since it is divisible by the number (30) 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 38200140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528000).

38200140 is an abundant number, since it is smaller than the sum of its proper divisors (94855860).

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

38200140 is a wasteful number, since it uses less digits than its factorization.

38200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 38200140 is about 6180.6261818686. The cubic root of 38200140 is about 336.7867406007.

The spelling of 38200140 in words is "thirty-eight million, two hundred thousand, one hundred forty".