Search a number
-
+
143677996 = 227211103647
BaseRepresentation
bin10001001000001…
…01101000101100
3101000100121011021
420210011220230
5243240143441
622131303524
73363146200
oct1044055054
9330317137
10143677996
1174114450
124014aba4
13239c7487
1415120b00
15c9313d1
hex8905a2c

143677996 has 72 divisors (see below), whose sum is σ = 322672896. Its totient is φ = 55349280.

The previous prime is 143677979. The next prime is 143678047. The reversal of 143677996 is 699776341.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221745 + ... + 222391.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2143677996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143677996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161336448).

143677996 is an abundant number, since it is smaller than the sum of its proper divisors (178994900).

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

143677996 is a wasteful number, since it uses less digits than its factorization.

143677996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 770 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 143677996 is about 11986.5756577932. The cubic root of 143677996 is about 523.7572978176.

The spelling of 143677996 in words is "one hundred forty-three million, six hundred seventy-seven thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 103 154 196 206 308 412 539 647 721 1078 1133 1294 1442 2156 2266 2588 2884 4529 4532 5047 7117 7931 9058 10094 14234 15862 18116 20188 28468 31703 31724 49819 55517 63406 66641 99638 111034 126812 133282 199276 222068 266564 348733 466487 697466 733051 932974 1394932 1466102 1865948 2932204 3265409 5131357 6530818 10262714 13061636 20525428 35919499 71838998 143677996