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143730196 = 2235932549
BaseRepresentation
bin10001001000100…
…10011000010100
3101000110020202121
420210102120110
5243243331241
622132345324
73363454321
oct1044223024
9330406677
10143730196
117414a695
1240175244
1323a1516c
1415135b48
15c941ad1
hex8912614

143730196 has 6 divisors (see below), whose sum is σ = 251527850. Its totient is φ = 71865096.

The previous prime is 143730179. The next prime is 143730233. The reversal of 143730196 is 691037341.

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 592900 = 11964^2 + 770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17966271 + ... + 17966278.

Almost surely, 2143730196 is an apocalyptic number.

It is an amenable number.

143730196 is a deficient number, since it is larger than the sum of its proper divisors (107797654).

143730196 is a wasteful number, since it uses less digits than its factorization.

143730196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35932553 (or 35932551 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 143730196 is about 11988.7528959438. The cubic root of 143730196 is about 523.8207193142.

The spelling of 143730196 in words is "one hundred forty-three million, seven hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 4 35932549 71865098 143730196