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139574016 = 283453127
BaseRepresentation
bin10000101000110…
…11101100000000
3100201122002120000
420110123230000
5241212332031
621503320000
73313234221
oct1024335400
9321562500
10139574016
117187102a
123a8b0000
1322bbb49a
1414773248
15c3c03e6
hex851bb00

139574016 has 180 divisors, whose sum is σ = 427375872. Its totient is φ = 45287424.

The previous prime is 139574011. The next prime is 139574041. The reversal of 139574016 is 610475931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (139574011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1098945 + ... + 1099071.

Almost surely, 2139574016 is an apocalyptic number.

139574016 is a gapful number since it is divisible by the number (16) 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 139574016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213687936).

139574016 is an abundant number, since it is smaller than the sum of its proper divisors (287801856).

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

139574016 is an equidigital number, since it uses as much as digits as its factorization.

139574016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 139574016 is about 11814.1447426380. The cubic root of 139574016 is about 518.7222276514.

The spelling of 139574016 in words is "one hundred thirty-nine million, five hundred seventy-four thousand, sixteen".