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143389630 = 25291074621
BaseRepresentation
bin10001000101111…
…11001110111110
3100222210221121001
420202333032332
5243201432010
622121200514
73360535366
oct1042771676
9328727531
10143389630
1173a3782a
124003013a
1323926147
14150879a6
15c8c5c3a
hex88bf3be

143389630 has 32 divisors (see below), whose sum is σ = 269555040. Its totient is φ = 54848640.

The previous prime is 143389627. The next prime is 143389657. The reversal of 143389630 is 36983341.

It is a self number, because there is not a number n which added to its sum of digits gives 143389630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28720 + ... + 33340.

It is an arithmetic number, because the mean of its divisors is an integer number (8423595).

Almost surely, 2143389630 is an apocalyptic number.

143389630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143389630 is a deficient number, since it is larger than the sum of its proper divisors (126165410).

143389630 is a wasteful number, since it uses less digits than its factorization.

143389630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 143389630 is about 11974.5409097802. The cubic root of 143389630 is about 523.4066643244.

The spelling of 143389630 in words is "one hundred forty-three million, three hundred eighty-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 29 58 107 145 214 290 535 1070 3103 4621 6206 9242 15515 23105 31030 46210 134009 268018 494447 670045 988894 1340090 2472235 4944470 14338963 28677926 71694815 143389630