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139443002 = 271599739
BaseRepresentation
bin10000100111110…
…11101100111010
3100201101102211122
420103323230322
5241144134002
621500425242
73312150236
oct1023735472
9321342748
10139443002
1171791656
123a848222
1322b7396a
141473b5c6
15c3966a2
hex84fbb3a

139443002 has 8 divisors (see below), whose sum is σ = 209215200. Its totient is φ = 69704604.

The previous prime is 139443001. The next prime is 139443037. The reversal of 139443002 is 200344931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139443001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449 + ... + 19187.

It is an arithmetic number, because the mean of its divisors is an integer number (26151900).

Almost surely, 2139443002 is an apocalyptic number.

139443002 is a deficient number, since it is larger than the sum of its proper divisors (69772198).

139443002 is an equidigital number, since it uses as much as digits as its factorization.

139443002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 139443002 is about 11808.5986467489. The cubic root of 139443002 is about 518.5598737717.

Adding to 139443002 its reverse (200344931), we get a palindrome (339787933).

The spelling of 139443002 in words is "one hundred thirty-nine million, four hundred forty-three thousand, two".

Divisors: 1 2 7159 9739 14318 19478 69721501 139443002