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139029480 = 233352329193
BaseRepresentation
bin10000100100101…
…10101111101000
3100200121102121000
420102112233220
5241042420410
621443515000
73305505522
oct1022265750
9320542530
10139029480
11715299a7
123a688a60
1322a5a685
1414670a12
15c313dc0
hex8496be8

139029480 has 256 divisors, whose sum is σ = 502848000. Its totient is φ = 34062336.

The previous prime is 139029439. The next prime is 139029491. The reversal of 139029480 is 84920931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 720264 + ... + 720456.

It is an arithmetic number, because the mean of its divisors is an integer number (1964250).

Almost surely, 2139029480 is an apocalyptic number.

139029480 is a gapful number since it is divisible by the number (10) 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 139029480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251424000).

139029480 is an abundant number, since it is smaller than the sum of its proper divisors (363818520).

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

139029480 is a wasteful number, since it uses less digits than its factorization.

139029480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 139029480 is about 11791.0762867518. The cubic root of 139029480 is about 518.0467651065.

The spelling of 139029480 in words is "one hundred thirty-nine million, twenty-nine thousand, four hundred eighty".