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139850419 = 2315738729
BaseRepresentation
bin10000101010111…
…11001010110011
3100202011010201011
420111133022303
5241300203134
621513251351
73315465112
oct1025371263
9322133634
10139850419
1171a3a765
123aa03b57
1322c87237
1414805c79
15c427264
hex855f2b3

139850419 has 8 divisors (see below), whose sum is σ = 146864160. Its totient is φ = 132914496.

The previous prime is 139850401. The next prime is 139850437. The reversal of 139850419 is 914058931.

It is an interprime number because it is at equal distance from previous prime (139850401) and next prime (139850437).

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

It is a cyclic number.

It is not a de Polignac number, because 139850419 - 221 = 137753267 is a prime.

It is a super-3 number, since 3×1398504193 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139850489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754 + ... + 22975.

It is an arithmetic number, because the mean of its divisors is an integer number (18358020).

Almost surely, 2139850419 is an apocalyptic number.

139850419 is a deficient number, since it is larger than the sum of its proper divisors (7013741).

139850419 is a wasteful number, since it uses less digits than its factorization.

139850419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38909.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 139850419 is about 11825.8369259854. The cubic root of 139850419 is about 519.0644160799.

The spelling of 139850419 in words is "one hundred thirty-nine million, eight hundred fifty thousand, four hundred nineteen".

Divisors: 1 23 157 3611 38729 890767 6080453 139850419