Search a number
-
+
42487896 = 23311179467
BaseRepresentation
bin1010001000010…
…1000001011000
32221221121102210
42202011001120
541334103041
64114355120
71024066263
oct242050130
987847383
1042487896
1121a8a870
121228baa0
138a58089
1458ddcda
153ae4016
hex2885058

42487896 has 64 divisors (see below), whose sum is σ = 122705280. Its totient is φ = 12116480.

The previous prime is 42487889. The next prime is 42487901. The reversal of 42487896 is 69878424.

It is a congruent number.

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, 246 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (1917270).

Almost surely, 242487896 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 42487896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61352640).

42487896 is an abundant number, since it is smaller than the sum of its proper divisors (80217384).

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

42487896 is a wasteful number, since it uses less digits than its factorization.

42487896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504 (or 9500 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 42487896 is about 6518.2740046733. The cubic root of 42487896 is about 348.9434696877.

The spelling of 42487896 in words is "forty-two million, four hundred eighty-seven thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 17 22 24 33 34 44 51 66 68 88 102 132 136 187 204 264 374 408 561 748 1122 1496 2244 4488 9467 18934 28401 37868 56802 75736 104137 113604 160939 208274 227208 312411 321878 416548 482817 624822 643756 833096 965634 1249644 1287512 1770329 1931268 2499288 3540658 3862536 5310987 7081316 10621974 14162632 21243948 42487896