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143984472 = 23397127487
BaseRepresentation
bin10001001010100…
…00011101011000
3101000221011120020
420211100131120
5243330000342
622142030440
73365563542
oct1045203530
9330834506
10143984472
1174303735
1240278420
1323aa3b18
14151a0692
15c9920ec
hex8950758

143984472 has 64 divisors (see below), whose sum is σ = 367288320. Its totient is φ = 47029248.

The previous prime is 143984471. The next prime is 143984479. The reversal of 143984472 is 274489341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143984471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295413 + ... + 295899.

It is an arithmetic number, because the mean of its divisors is an integer number (5738880).

Almost surely, 2143984472 is an apocalyptic number.

143984472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143984472 is an abundant number, since it is smaller than the sum of its proper divisors (223303848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143984472 is a wasteful number, since it uses less digits than its factorization.

143984472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 716 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 143984472 is about 11999.3529825570. The cubic root of 143984472 is about 524.1294379458.

The spelling of 143984472 in words is "one hundred forty-three million, nine hundred eighty-four thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 97 127 194 254 291 381 388 487 508 582 762 776 974 1016 1164 1461 1524 1948 2328 2922 3048 3896 5844 11688 12319 24638 36957 47239 49276 61849 73914 94478 98552 123698 141717 147828 185547 188956 247396 283434 295656 371094 377912 494792 566868 742188 1133736 1484376 5999353 11998706 17998059 23997412 35996118 47994824 71992236 143984472