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139087411 = 7316311689
BaseRepresentation
bin10000100101001…
…00111000110011
3100200201101001121
420102210320303
5241101244121
621445043111
73306136441
oct1022447063
9320641047
10139087411
1171569481
123a6b6497
1322a7ab58
1414687b91
15c326141
hex84a4e33

139087411 has 8 divisors (see below), whose sum is σ = 141869840. Its totient is φ = 136328832.

The previous prime is 139087397. The next prime is 139087433. The reversal of 139087411 is 114780931.

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 139087411 - 27 = 139087283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139087441) 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, 6055 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (17733730).

Almost surely, 2139087411 is an apocalyptic number.

139087411 is a deficient number, since it is larger than the sum of its proper divisors (2782429).

139087411 is a wasteful number, since it uses less digits than its factorization.

139087411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11925.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 139087411 is about 11793.5325920608. The cubic root of 139087411 is about 518.1187086008.

The spelling of 139087411 in words is "one hundred thirty-nine million, eighty-seven thousand, four hundred eleven".

Divisors: 1 73 163 11689 11899 853297 1905307 139087411