Search a number
-
+
52122448 = 247465379
BaseRepresentation
bin1100011011010…
…1001101010000
310122002002120001
43012311031100
5101320404243
65101055344
71202014330
oct306651520
9118062501
1052122448
1127470404
1215557554
13aa4c4b1
146ccb0c0
154898a4d
hex31b5350

52122448 has 20 divisors (see below), whose sum is σ = 115414240. Its totient is φ = 22338144.

The previous prime is 52122443. The next prime is 52122463. The reversal of 52122448 is 84422125.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232578 + ... + 232801.

It is an arithmetic number, because the mean of its divisors is an integer number (5770712).

Almost surely, 252122448 is an apocalyptic number.

It is an amenable number.

52122448 is an abundant number, since it is smaller than the sum of its proper divisors (63291792).

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

52122448 is a wasteful number, since it uses less digits than its factorization.

52122448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465394 (or 465388 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 52122448 is about 7219.5877998678. The cubic root of 52122448 is about 373.5438594347.

It can be divided in two parts, 52 and 122448, that added together give a square (122500 = 3502).

The spelling of 52122448 in words is "fifty-two million, one hundred twenty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 465379 930758 1861516 3257653 3723032 6515306 7446064 13030612 26061224 52122448