Search a number
-
+
143913900 = 223521336901
BaseRepresentation
bin10001001001111…
…11001110101100
3101000210120202110
420210333032230
5243320221100
622140324020
73365151024
oct1044771654
9330716673
10143913900
1174265709
1240243610
1323a7a970
1415182a84
15c97b250
hex893f3ac

143913900 has 72 divisors (see below), whose sum is σ = 448433104. Its totient is φ = 35424000.

The previous prime is 143913881. The next prime is 143913907. The reversal of 143913900 is 9319341.

It is a super-2 number, since 2×1439139002 = 41422421226420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (143913907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14551 + ... + 22350.

Almost surely, 2143913900 is an apocalyptic number.

143913900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143913900 is an abundant number, since it is smaller than the sum of its proper divisors (304519204).

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

143913900 is a wasteful number, since it uses less digits than its factorization.

143913900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36931 (or 36924 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 143913900 is about 11996.4119635831. The cubic root of 143913900 is about 524.0437923504.

The spelling of 143913900 in words is "one hundred forty-three million, nine hundred thirteen thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1300 1950 3900 36901 73802 110703 147604 184505 221406 369010 442812 479713 553515 738020 922525 959426 1107030 1439139 1845050 1918852 2214060 2398565 2767575 2878278 3690100 4797130 5535150 5756556 7195695 9594260 11070300 11992825 14391390 23985650 28782780 35978475 47971300 71956950 143913900