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139790302 = 2229305219
BaseRepresentation
bin10000101010100…
…00011111011110
3100202001002020121
420111100133132
5241241242202
621512105154
73315124621
oct1025203736
9322032217
10139790302
11719a9583
123a9951ba
1322c65a72
14147cbdb8
15c414537
hex85507de

139790302 has 8 divisors (see below), whose sum is σ = 210601800. Its totient is φ = 69589704.

The previous prime is 139790227. The next prime is 139790311. The reversal of 139790302 is 203097931.

139790302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152152 + ... + 153067.

It is an arithmetic number, because the mean of its divisors is an integer number (26325225).

Almost surely, 2139790302 is an apocalyptic number.

139790302 is a deficient number, since it is larger than the sum of its proper divisors (70811498).

139790302 is a wasteful number, since it uses less digits than its factorization.

139790302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305450.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 139790302 is about 11823.2948876360. The cubic root of 139790302 is about 518.9900292980.

The spelling of 139790302 in words is "one hundred thirty-nine million, seven hundred ninety thousand, three hundred two".

Divisors: 1 2 229 458 305219 610438 69895151 139790302