Search a number
-
+
48495990 = 2351616533
BaseRepresentation
bin1011100011111…
…1110101110110
310101020211222210
42320333311312
544403332430
64451234250
71126131504
oct270776566
9111224883
1048495990
1125413834
12142a8986
13a07c96a
146625674
1543ce2b0
hex2e3fd76

48495990 has 16 divisors (see below), whose sum is σ = 116390448. Its totient is φ = 12932256.

The previous prime is 48495971. The next prime is 48495991. The reversal of 48495990 is 9959484.

It is a super-2 number, since 2×484959902 = 4703722092160200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48495991) 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, 808237 + ... + 808296.

It is an arithmetic number, because the mean of its divisors is an integer number (7274403).

Almost surely, 248495990 is an apocalyptic number.

48495990 is an abundant number, since it is smaller than the sum of its proper divisors (67894458).

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

48495990 is a wasteful number, since it uses less digits than its factorization.

48495990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616543.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 48495990 is about 6963.9062314193. The cubic root of 48495990 is about 364.6716005350.

The spelling of 48495990 in words is "forty-eight million, four hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1616533 3233066 4849599 8082665 9699198 16165330 24247995 48495990