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140616307 = 1315836833
BaseRepresentation
bin10000110000110…
…10001001110011
3100210121001022101
420120122021303
5241444210212
621541521231
73325135036
oct1030321163
9323531271
10140616307
1172413127
123b113217
1323194a20
141496501d
15c529157
hex861a273

140616307 has 8 divisors (see below), whose sum is σ = 151550784. Its totient is φ = 129698688.

The previous prime is 140616277. The next prime is 140616313. The reversal of 140616307 is 703616041.

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 140616307 - 223 = 132227699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140616607) 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, 17163 + ... + 23995.

It is an arithmetic number, because the mean of its divisors is an integer number (18943848).

Almost surely, 2140616307 is an apocalyptic number.

140616307 is a deficient number, since it is larger than the sum of its proper divisors (10934477).

140616307 is a wasteful number, since it uses less digits than its factorization.

140616307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 140616307 is about 11858.1746909042. The cubic root of 140616307 is about 520.0102401830.

The spelling of 140616307 in words is "one hundred forty million, six hundred sixteen thousand, three hundred seven".

Divisors: 1 13 1583 6833 20579 88829 10816639 140616307