Search a number
-
+
143922964 = 2271659769
BaseRepresentation
bin10001001010000…
…01011100010100
3101000211001012011
420211001130110
5243321013324
622140434004
73365216323
oct1045013424
9330731164
10143922964
11742714a9
1240248904
1323a81b23
14151860ba
15c97dc94
hex8941714

143922964 has 24 divisors (see below), whose sum is σ = 256132800. Its totient is φ = 70748160.

The previous prime is 143922959. The next prime is 143922971. The reversal of 143922964 is 469229341.

It is a super-3 number, since 3×1439229643 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186772 + ... + 187540.

It is an arithmetic number, because the mean of its divisors is an integer number (10672200).

Almost surely, 2143922964 is an apocalyptic number.

It is an amenable number.

143922964 is a deficient number, since it is larger than the sum of its proper divisors (112209836).

143922964 is a wasteful number, since it uses less digits than its factorization.

143922964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1501 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 143922964 is about 11996.7897372589. The cubic root of 143922964 is about 524.0547939127.

The spelling of 143922964 in words is "one hundred forty-three million, nine hundred twenty-two thousand, nine hundred sixty-four".

Divisors: 1 2 4 71 142 284 659 769 1318 1538 2636 3076 46789 54599 93578 109198 187156 218396 506771 1013542 2027084 35980741 71961482 143922964