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144707307 = 3166928901
BaseRepresentation
bin10001010000000…
…00111011101011
3101002021220002220
420220000323223
5244021113212
622205325123
73404664123
oct1050007353
9332256086
10144707307
1174757818
12405667a3
1323c97b34
141530bc83
15ca8638c
hex8a00eeb

144707307 has 8 divisors (see below), whose sum is σ = 193065360. Its totient is φ = 96410400.

The previous prime is 144707257. The next prime is 144707309. The reversal of 144707307 is 703707441.

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

It is not a de Polignac number, because 144707307 - 28 = 144707051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144707309) 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, 9444 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (24133170).

Almost surely, 2144707307 is an apocalyptic number.

144707307 is a deficient number, since it is larger than the sum of its proper divisors (48358053).

144707307 is a wasteful number, since it uses less digits than its factorization.

144707307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30573.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 144707307 is about 12029.4350241397. The cubic root of 144707307 is about 525.0050575477.

The spelling of 144707307 in words is "one hundred forty-four million, seven hundred seven thousand, three hundred seven".

Divisors: 1 3 1669 5007 28901 86703 48235769 144707307