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139933072 = 248745817
BaseRepresentation
bin10000101011100…
…11010110010000
3100202022100002101
420111303112100
5241310324242
621515130144
73316261066
oct1025632620
9322270071
10139933072
1171a96874
123aa43954
1322cb5a46
1414828036
15c4419b7
hex8573590

139933072 has 10 divisors (see below), whose sum is σ = 271120358. Its totient is φ = 69966528.

The previous prime is 139933067. The next prime is 139933097. The reversal of 139933072 is 270339931.

It can be written as a sum of positive squares in only one way, i.e., 78216336 + 61716736 = 8844^2 + 7856^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372893 + ... + 4372924.

Almost surely, 2139933072 is an apocalyptic number.

It is an amenable number.

139933072 is a deficient number, since it is larger than the sum of its proper divisors (131187286).

139933072 is an equidigital number, since it uses as much as digits as its factorization.

139933072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745825 (or 8745819 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 139933072 is about 11829.3310039072. The cubic root of 139933072 is about 519.1666533664.

The spelling of 139933072 in words is "one hundred thirty-nine million, nine hundred thirty-three thousand, seventy-two".

Divisors: 1 2 4 8 16 8745817 17491634 34983268 69966536 139933072