Search a number
-
+
53954238 = 2313691721
BaseRepresentation
bin1100110111010…
…0011010111110
310202112011022010
43031310122332
5102303013423
65204232050
71223413662
oct315643276
9122464263
1053954238
1128501688
121609b626
13b2411b0
1472468a2
154b0b693
hex33746be

53954238 has 16 divisors (see below), whose sum is σ = 116209296. Its totient is φ = 16601280.

The previous prime is 53954221. The next prime is 53954269. The reversal of 53954238 is 83245935.

It is a super-2 number, since 2×539542382 = 5822119596321288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 53954196 and 53954205.

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, 345783 + ... + 345938.

It is an arithmetic number, because the mean of its divisors is an integer number (7263081).

Almost surely, 253954238 is an apocalyptic number.

53954238 is an abundant number, since it is smaller than the sum of its proper divisors (62255058).

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

53954238 is a wasteful number, since it uses less digits than its factorization.

53954238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691739.

The product of its digits is 129600, while the sum is 39.

The square root of 53954238 is about 7345.3548586845. The cubic root of 53954238 is about 377.8695134839.

The spelling of 53954238 in words is "fifty-three million, nine hundred fifty-four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 691721 1383442 2075163 4150326 8992373 17984746 26977119 53954238