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67701139 = 116154649
BaseRepresentation
bin1000000100100…
…00100110010011
311201101120111121
410002100212103
5114312414024
610415023111
71451310262
oct402204623
9151346447
1067701139
1135240960
121a80aa97
131104535c
148dc45d9
155e248e4
hex4090993

67701139 has 4 divisors (see below), whose sum is σ = 73855800. Its totient is φ = 61546480.

The previous prime is 67701133. The next prime is 67701163. The reversal of 67701139 is 93110776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67701139 - 23 = 67701131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67701131) 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, 3077314 + ... + 3077335.

It is an arithmetic number, because the mean of its divisors is an integer number (18463950).

Almost surely, 267701139 is an apocalyptic number.

67701139 is a deficient number, since it is larger than the sum of its proper divisors (6154661).

67701139 is a wasteful number, since it uses less digits than its factorization.

67701139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154660.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 67701139 is about 8228.0701868664. The cubic root of 67701139 is about 407.5666675524.

The spelling of 67701139 in words is "sixty-seven million, seven hundred one thousand, one hundred thirty-nine".

Divisors: 1 11 6154649 67701139