Search a number
-
+
49987464 = 23323137661
BaseRepresentation
bin1011111010101…
…1111110001000
310111001121220120
42332223332020
5100244044324
64543223240
71144613022
oct276537610
9114047816
1049987464
112624235a
12148a7b20
13a4827a7
1468d3012
1545c6179
hex2fabf88

49987464 has 64 divisors (see below), whose sum is σ = 131552640. Its totient is φ = 15797760.

The previous prime is 49987453. The next prime is 49987477. The reversal of 49987464 is 46478994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75294 + ... + 75954.

It is an arithmetic number, because the mean of its divisors is an integer number (2055510).

Almost surely, 249987464 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 49987464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65776320).

49987464 is an abundant number, since it is smaller than the sum of its proper divisors (81565176).

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

49987464 is a wasteful number, since it uses less digits than its factorization.

49987464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 826 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 49987464 is about 7070.1813272362. The cubic root of 49987464 is about 368.3723586113.

The spelling of 49987464 in words is "forty-nine million, nine hundred eighty-seven thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 137 138 184 274 276 411 548 552 661 822 1096 1322 1644 1983 2644 3151 3288 3966 5288 6302 7932 9453 12604 15203 15864 18906 25208 30406 37812 45609 60812 75624 90557 91218 121624 181114 182436 271671 362228 364872 543342 724456 1086684 2082811 2173368 4165622 6248433 8331244 12496866 16662488 24993732 49987464