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144423070 = 25111312937
BaseRepresentation
bin10001001101110…
…11100010011110
3101001202110012121
420212323202132
5243433014240
622155253154
73402401341
oct1046734236
9331673177
10144423070
1174583210
124044a1ba
1323bc864c
1415276458
15ca2c04a
hex89bb89e

144423070 has 16 divisors (see below), whose sum is σ = 283594608. Its totient is φ = 52517440.

The previous prime is 144423067. The next prime is 144423073. The reversal of 144423070 is 70324441.

It is an interprime number because it is at equal distance from previous prime (144423067) and next prime (144423073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423073) 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, 656359 + ... + 656578.

It is an arithmetic number, because the mean of its divisors is an integer number (17724663).

Almost surely, 2144423070 is an apocalyptic number.

144423070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144423070 is a deficient number, since it is larger than the sum of its proper divisors (139171538).

144423070 is a wasteful number, since it uses less digits than its factorization.

144423070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312955.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 144423070 is about 12017.6149880082. The cubic root of 144423070 is about 524.6610904126.

The spelling of 144423070 in words is "one hundred forty-four million, four hundred twenty-three thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 1312937 2625874 6564685 13129370 14442307 28884614 72211535 144423070