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144979703 = 1143306511
BaseRepresentation
bin10001010010000…
…11011011110111
3101002210201202122
420221003123313
5244103322303
622215230155
73410210231
oct1051033367
9332721678
10144979703
1174923440
124067835b
1324061b0b
141537d251
15cadbe38
hex8a436f7

144979703 has 8 divisors (see below), whose sum is σ = 161838336. Its totient is φ = 128734200.

The previous prime is 144979699. The next prime is 144979711. The reversal of 144979703 is 307979441.

It is a happy number.

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 144979703 - 22 = 144979699 is a prime.

It is a super-2 number, since 2×1449797032 = 42038228563936418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144979753) 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, 152783 + ... + 153728.

It is an arithmetic number, because the mean of its divisors is an integer number (20229792).

Almost surely, 2144979703 is an apocalyptic number.

144979703 is a deficient number, since it is larger than the sum of its proper divisors (16858633).

144979703 is a wasteful number, since it uses less digits than its factorization.

144979703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306565.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 144979703 is about 12040.7517622447. The cubic root of 144979703 is about 525.3342729852.

The spelling of 144979703 in words is "one hundred forty-four million, nine hundred seventy-nine thousand, seven hundred three".

Divisors: 1 11 43 473 306511 3371621 13179973 144979703