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49536081 = 3273779269
BaseRepresentation
bin1011110011110…
…1110001010001
310110012200201200
42330331301101
5100140123311
64525421413
71141023030
oct274756121
9113180650
1049536081
1125a64211
121470a869
13a3551ba
146816717
154537556
hex2f3dc51

49536081 has 48 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 27091584.

The previous prime is 49536023. The next prime is 49536083. The reversal of 49536081 is 18063594.

49536081 is a `hidden beast` number, since 49 + 5 + 3 + 608 + 1 = 666.

49536081 is a nontrivial binomial coefficient, being equal to C(9954, 2).

It is not a de Polignac number, because 49536081 - 26 = 49536017 is a prime.

It is a super-2 number, since 2×495360812 = 4907646641677122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49536083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184015 + ... + 184283.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 249536081 is an apocalyptic number.

49536081 is the 9953-rd triangular number and also the 4977-th hexagonal number.

It is an amenable number.

49536081 is a deficient number, since it is larger than the sum of its proper divisors (35827119).

49536081 is a wasteful number, since it uses less digits than its factorization.

49536081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 49536081 is about 7038.1873376602. The cubic root of 49536081 is about 367.2602128678.

It can be divided in two parts, 49 and 536081, that added together give a triangular number (536130 = T1035).

The spelling of 49536081 in words is "forty-nine million, five hundred thirty-six thousand, eighty-one".

Divisors: 1 3 7 9 21 37 63 79 111 237 259 269 333 553 711 777 807 1659 1883 2331 2421 2923 4977 5649 8769 9953 16947 20461 21251 26307 29859 61383 63753 69671 89577 148757 184149 191259 209013 446271 627039 786287 1338813 2358861 5504009 7076583 16512027 49536081