Search a number
-
+
43157268 = 223271115569
BaseRepresentation
bin1010010010100…
…0011100010100
310000012121122100
42210220130110
542022013033
64141002100
71032554640
oct244503424
9100177570
1043157268
11223a7770
1212553330
138c3095b
145a35c20
153bc7513
hex2928714

43157268 has 72 divisors (see below), whose sum is σ = 136019520. Its totient is φ = 11208960.

The previous prime is 43157263. The next prime is 43157287. The reversal of 43157268 is 86275134.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43157263) 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, 5013 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (1889160).

Almost surely, 243157268 is an apocalyptic number.

It is an amenable number.

43157268 is an abundant number, since it is smaller than the sum of its proper divisors (92862252).

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

43157268 is a wasteful number, since it uses less digits than its factorization.

43157268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597 (or 15592 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 43157268 is about 6569.4191524061. The cubic root of 43157268 is about 350.7663967826.

The spelling of 43157268 in words is "forty-three million, one hundred fifty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 15569 31138 46707 62276 93414 108983 140121 171259 186828 217966 280242 326949 342518 435932 513777 560484 653898 685036 980847 1027554 1198813 1307796 1541331 1961694 2055108 2397626 3082662 3596439 3923388 4795252 6165324 7192878 10789317 14385756 21578634 43157268