Search a number
-
+
143922072 = 23377431153
BaseRepresentation
bin10001001010000…
…01001110011000
3101000210222222010
420211001032120
5243321001242
622140425520
73365213610
oct1045011630
9330728863
10143922072
1174270868
12402482a0
1323a815b8
1415185a40
15c97d89c
hex8941398

143922072 has 64 divisors (see below), whose sum is σ = 412116480. Its totient is φ = 41029632.

The previous prime is 143922029. The next prime is 143922073. The reversal of 143922072 is 270229341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143922073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124248 + ... + 125400.

It is an arithmetic number, because the mean of its divisors is an integer number (6439320).

Almost surely, 2143922072 is an apocalyptic number.

143922072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143922072 is an abundant number, since it is smaller than the sum of its proper divisors (268194408).

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

143922072 is a wasteful number, since it uses less digits than its factorization.

143922072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 143922072 is about 11996.7525605891. The cubic root of 143922072 is about 524.0537112552.

The spelling of 143922072 in words is "one hundred forty-three million, nine hundred twenty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 743 1153 1486 2229 2306 2972 3459 4458 4612 5201 5944 6918 8071 8916 9224 10402 13836 15603 16142 17832 20804 24213 27672 31206 32284 41608 48426 62412 64568 96852 124824 193704 856679 1713358 2570037 3426716 5140074 5996753 6853432 10280148 11993506 17990259 20560296 23987012 35980518 47974024 71961036 143922072