Search a number
-
+
49184440 = 2354672633
BaseRepresentation
bin1011101110011…
…1111010111000
310102112211100221
42323213322320
5100042400230
64514105424
71135026604
oct273477270
9112484327
1049184440
1125843aa8
121457b274
13a261126
146764504
1544b827a
hex2ee7eb8

49184440 has 32 divisors (see below), whose sum is σ = 110944080. Its totient is φ = 19624192.

The previous prime is 49184437. The next prime is 49184449. The reversal of 49184440 is 4448194.

It is a super-2 number, since 2×491844402 = 4838218276227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49184396 and 49184405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49184449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17364 + ... + 19996.

Almost surely, 249184440 is an apocalyptic number.

49184440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49184440 is an abundant number, since it is smaller than the sum of its proper divisors (61759640).

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

49184440 is a wasteful number, since it uses less digits than its factorization.

49184440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 49184440 is about 7013.1619117200. The cubic root of 49184440 is about 366.3891269823.

The spelling of 49184440 in words is "forty-nine million, one hundred eighty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 467 934 1868 2335 2633 3736 4670 5266 9340 10532 13165 18680 21064 26330 52660 105320 1229611 2459222 4918444 6148055 9836888 12296110 24592220 49184440