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143913355 = 528782671
BaseRepresentation
bin10001001001111…
…11000110001011
3101000210120000021
420210333012023
5243320211410
622140321311
73365146315
oct1044770613
9330716007
10143913355
1174265263
1240243237
1323a7a641
14151827b5
15c97aeda
hex893f18b

143913355 has 4 divisors (see below), whose sum is σ = 172696032. Its totient is φ = 115130680.

The previous prime is 143913349. The next prime is 143913361. The reversal of 143913355 is 553319341.

It is a happy number.

143913355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (143913349) and next prime (143913361).

It is not a de Polignac number, because 143913355 - 27 = 143913227 is a prime.

It is a super-2 number, since 2×1439133552 = 41422107494712050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143913355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14391331 + ... + 14391340.

It is an arithmetic number, because the mean of its divisors is an integer number (43174008).

Almost surely, 2143913355 is an apocalyptic number.

143913355 is a deficient number, since it is larger than the sum of its proper divisors (28782677).

143913355 is an equidigital number, since it uses as much as digits as its factorization.

143913355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28782676.

The product of its digits is 24300, while the sum is 34.

The square root of 143913355 is about 11996.3892484364. The cubic root of 143913355 is about 524.0431308339.

The spelling of 143913355 in words is "one hundred forty-three million, nine hundred thirteen thousand, three hundred fifty-five".

Divisors: 1 5 28782671 143913355