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42761472 = 283134283
BaseRepresentation
bin1010001100011…
…1110100000000
32222110111201020
42203013310000
541421331342
64124305440
71026316005
oct243076400
988414636
1042761472
1122157366
12123a2280
138b22760
1459718ac
153b4a0ec
hex28c7d00

42761472 has 72 divisors (see below), whose sum is σ = 122590944. Its totient is φ = 13154304.

The previous prime is 42761417. The next prime is 42761473. The reversal of 42761472 is 27416724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42761473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7843 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (1702652).

Almost surely, 242761472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42761472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61295472).

42761472 is an abundant number, since it is smaller than the sum of its proper divisors (79829472).

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

42761472 is a wasteful number, since it uses less digits than its factorization.

42761472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315 (or 4301 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 42761472 is about 6539.2256422301. The cubic root of 42761472 is about 349.6908072092.

The spelling of 42761472 in words is "forty-two million, seven hundred sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4283 4992 8566 9984 12849 17132 25698 34264 51396 55679 68528 102792 111358 137056 167037 205584 222716 274112 334074 411168 445432 548224 668148 822336 890864 1096448 1336296 1644672 1781728 2672592 3289344 3563456 5345184 7126912 10690368 14253824 21380736 42761472