Search a number
-
+
1487994 = 23247999
BaseRepresentation
bin101101011010001111010
32210121010220
411223101322
5340103434
651520510
715435114
oct5532172
92717126
101487994
11926a52
125b9136
13401391
142aa3b4
151e5d49
hex16b47a

1487994 has 8 divisors (see below), whose sum is σ = 2976000. Its totient is φ = 495996.

The previous prime is 1487989. The next prime is 1488007. The reversal of 1487994 is 4997841.

It is a sphenic number, since it is the product of 3 distinct primes.

1487994 is an admirable number.

It is a super-2 number, since 2×14879942 = 4428252288072, which contains 22 as substring.

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, 123994 + ... + 124005.

It is an arithmetic number, because the mean of its divisors is an integer number (372000).

21487994 is an apocalyptic number.

1487994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1487994 is a wasteful number, since it uses less digits than its factorization.

1487994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248004.

The product of its digits is 72576, while the sum is 42.

The square root of 1487994 is about 1219.8335952088. The cubic root of 1487994 is about 114.1651960194.

The spelling of 1487994 in words is "one million, four hundred eighty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 247999 495998 743997 1487994