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143664430 = 25713473359
BaseRepresentation
bin10001001000000…
…10010100101110
3101000022220112211
420210002110232
5243234230210
622131121034
73363061510
oct1044022456
9330286484
10143664430
1174105238
124014317a
13239c1250
1415119bb0
15c92c38a
hex890252e

143664430 has 64 divisors (see below), whose sum is σ = 325140480. Its totient is φ = 44486784.

The previous prime is 143664427. The next prime is 143664431. The reversal of 143664430 is 34466341.

It is a happy number.

143664430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143664392 and 143664401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143664431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41091 + ... + 44449.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2143664430 is an apocalyptic number.

143664430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143664430 is an abundant number, since it is smaller than the sum of its proper divisors (181476050).

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

143664430 is a wasteful number, since it uses less digits than its factorization.

143664430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 143664430 is about 11986.0097613843. The cubic root of 143664430 is about 523.7408130035.

The spelling of 143664430 in words is "one hundred forty-three million, six hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 47 65 70 91 94 130 182 235 329 455 470 611 658 910 1222 1645 3055 3290 3359 4277 6110 6718 8554 16795 21385 23513 33590 42770 43667 47026 87334 117565 157873 218335 235130 305669 315746 436670 611338 789365 1105111 1528345 1578730 2052349 2210222 3056690 4104698 5525555 10261745 11051110 14366443 20523490 28732886 71832215 143664430