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142755074 = 2711347163
BaseRepresentation
bin10001000001001…
…00010100000010
3100221121201010222
420200210110002
5243021130244
622055423042
73352253360
oct1040442402
9327551128
10142755074
1173644000
123b984a82
1323763377
1414d60630
15c7ecbee
hex8824502

142755074 has 64 divisors (see below), whose sum is σ = 276590592. Its totient is φ = 54101520.

The previous prime is 142755073. The next prime is 142755083. The reversal of 142755074 is 470557241.

It is a super-2 number, since 2×1427550742 = 40758022305490952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142755073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875717 + ... + 875879.

It is an arithmetic number, because the mean of its divisors is an integer number (4321728).

Almost surely, 2142755074 is an apocalyptic number.

142755074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142755074 is a deficient number, since it is larger than the sum of its proper divisors (133835518).

142755074 is a wasteful number, since it uses less digits than its factorization.

142755074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 142755074 is about 11948.0154837529. The cubic root of 142755074 is about 522.6334285279.

The spelling of 142755074 in words is "one hundred forty-two million, seven hundred fifty-five thousand, seventy-four".

Divisors: 1 2 7 11 14 22 47 77 94 121 154 163 242 326 329 517 658 847 1034 1141 1331 1694 1793 2282 2662 3586 3619 5687 7238 7661 9317 11374 12551 15322 18634 19723 25102 39446 39809 53627 62557 79618 84271 107254 125114 138061 168542 216953 276122 433906 437899 589897 875798 926981 1179794 1518671 1853962 3037342 6488867 10196791 12977734 20393582 71377537 142755074