Search a number
-
+
48102821 = 1323160879
BaseRepresentation
bin1011011101111…
…1110110100101
310100111212122222
42313133312211
544303242241
64435002125
71122603314
oct267376645
9110455588
1048102821
11251753a8
1214139345
139c72a10
14656227b
154352a4b
hex2ddfda5

48102821 has 8 divisors (see below), whose sum is σ = 54055680. Its totient is φ = 42471792.

The previous prime is 48102797. The next prime is 48102827. The reversal of 48102821 is 12820184.

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

It is a cyclic number.

It is not a de Polignac number, because 48102821 - 218 = 47840677 is a prime.

It is a super-3 number, since 3×481028213 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48102827) 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, 80141 + ... + 80738.

It is an arithmetic number, because the mean of its divisors is an integer number (6756960).

Almost surely, 248102821 is an apocalyptic number.

It is an amenable number.

48102821 is a deficient number, since it is larger than the sum of its proper divisors (5952859).

48102821 is a wasteful number, since it uses less digits than its factorization.

48102821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160915.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 48102821 is about 6935.6197271765. The cubic root of 48102821 is about 363.6834309360.

The spelling of 48102821 in words is "forty-eight million, one hundred two thousand, eight hundred twenty-one".

Divisors: 1 13 23 299 160879 2091427 3700217 48102821