Search a number
-
+
49213020 = 22356911187
BaseRepresentation
bin1011101110111…
…0111001011100
310102121021120110
42323232321130
5100044304040
64514450020
71135206123
oct273567134
9112537513
1049213020
112586351a
1214593910
13a27113c
146770aba
1544c1980
hex2eeee5c

49213020 has 48 divisors (see below), whose sum is σ = 138112128. Its totient is φ = 13093440.

The previous prime is 49213013. The next prime is 49213033. The reversal of 49213020 is 2031294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40867 + ... + 42053.

It is an arithmetic number, because the mean of its divisors is an integer number (2877336).

Almost surely, 249213020 is an apocalyptic number.

It is an amenable number.

49213020 is an abundant number, since it is smaller than the sum of its proper divisors (88899108).

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

49213020 is a wasteful number, since it uses less digits than its factorization.

49213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 49213020 is about 7015.1992131371. The cubic root of 49213020 is about 366.4600801379.

The spelling of 49213020 in words is "forty-nine million, two hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 691 1187 1382 2073 2374 2764 3455 3561 4146 4748 5935 6910 7122 8292 10365 11870 13820 14244 17805 20730 23740 35610 41460 71220 820217 1640434 2460651 3280868 4101085 4921302 8202170 9842604 12303255 16404340 24606510 49213020