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143553072 = 24313379607
BaseRepresentation
bin10001000111001…
…11001000110000
3101000010020210110
420203213020300
5243222144242
622124501320
73362116035
oct1043471060
9330106713
10143553072
1174039603
12400aa840
1323982660
14150cb38c
15c90939c
hex88e7230

143553072 has 80 divisors (see below), whose sum is σ = 401085440. Its totient is φ = 43981056.

The previous prime is 143553043. The next prime is 143553073. The reversal of 143553072 is 270355341.

It is not an unprimeable number, because it can be changed into a prime (143553073) 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, 236193 + ... + 236799.

It is an arithmetic number, because the mean of its divisors is an integer number (5013568).

Almost surely, 2143553072 is an apocalyptic number.

143553072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143553072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200542720).

143553072 is an abundant number, since it is smaller than the sum of its proper divisors (257532368).

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

143553072 is a wasteful number, since it uses less digits than its factorization.

143553072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 143553072 is about 11981.3635284136. The cubic root of 143553072 is about 523.6054563600.

The spelling of 143553072 in words is "one hundred forty-three million, five hundred fifty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 379 607 624 758 1137 1214 1516 1821 2274 2428 3032 3642 4548 4856 4927 6064 7284 7891 9096 9712 9854 14568 14781 15782 18192 19708 23673 29136 29562 31564 39416 47346 59124 63128 78832 94692 118248 126256 189384 230053 236496 378768 460106 690159 920212 1380318 1840424 2760636 2990689 3680848 5521272 5981378 8972067 11042544 11962756 17944134 23925512 35888268 47851024 71776536 143553072