Search a number
-
+
124143320 = 2357443369
BaseRepresentation
bin1110110011001…
…00011011011000
322122121010121202
413121210123120
5223240041240
620152453332
73035125610
oct731443330
9278533552
10124143320
1164091794
12356aa248
131c947ab2
14126b7a40
15ad73315
hex76646d8

124143320 has 32 divisors (see below), whose sum is σ = 319226400. Its totient is φ = 42563328.

The previous prime is 124143319. The next prime is 124143337. The reversal of 124143320 is 23341421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124143292 and 124143301.

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, 221405 + ... + 221964.

It is an arithmetic number, because the mean of its divisors is an integer number (9975825).

Almost surely, 2124143320 is an apocalyptic number.

124143320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124143320 is an abundant number, since it is smaller than the sum of its proper divisors (195083080).

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

124143320 is a wasteful number, since it uses less digits than its factorization.

124143320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443387 (or 443383 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 124143320 is about 11141.9621252273. The cubic root of 124143320 is about 498.8551405946.

Adding to 124143320 its reverse (23341421), we get a palindrome (147484741).

The spelling of 124143320 in words is "one hundred twenty-four million, one hundred forty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 443369 886738 1773476 2216845 3103583 3546952 4433690 6207166 8867380 12414332 15517915 17734760 24828664 31035830 62071660 124143320