Search a number
-
+
42772448 = 252946091
BaseRepresentation
bin1010001100101…
…0011111100000
32222111001202202
42203022133200
541422204243
64124432332
71026363005
oct243123740
988431682
1042772448
1122164634
12123a86a8
138b27754
1459758ac
153b4d4b8
hex28ca7e0

42772448 has 24 divisors (see below), whose sum is σ = 87113880. Its totient is φ = 20648320.

The previous prime is 42772423. The next prime is 42772453. The reversal of 42772448 is 84427724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22118 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (3629745).

Almost surely, 242772448 is an apocalyptic number.

It is an amenable number.

42772448 is an abundant number, since it is smaller than the sum of its proper divisors (44341432).

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

42772448 is a wasteful number, since it uses less digits than its factorization.

42772448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46130 (or 46122 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 42772448 is about 6540.0648314829. The cubic root of 42772448 is about 349.7207241552.

The spelling of 42772448 in words is "forty-two million, seven hundred seventy-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 46091 92182 184364 368728 737456 1336639 1474912 2673278 5346556 10693112 21386224 42772448