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49189488 = 2431636287
BaseRepresentation
bin1011101110100…
…1001001110000
310102120002021220
42323221021300
5100043030423
64514145040
71135050405
oct273511160
9112502256
1049189488
1125847877
1214582180
13a26350a
1467662ac
1544b99e3
hex2ee9270

49189488 has 40 divisors (see below), whose sum is σ = 127872768. Its totient is φ = 16293312.

The previous prime is 49189487. The next prime is 49189493. The reversal of 49189488 is 88498194.

49189488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49189488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49189487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 10967.

Almost surely, 249189488 is an apocalyptic number.

49189488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49189488 is an abundant number, since it is smaller than the sum of its proper divisors (78683280).

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

49189488 is a wasteful number, since it uses less digits than its factorization.

49189488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6455 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 49189488 is about 7013.5217972143. The cubic root of 49189488 is about 366.4016612245.

The spelling of 49189488 in words is "forty-nine million, one hundred eighty-nine thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 163 326 489 652 978 1304 1956 2608 3912 6287 7824 12574 18861 25148 37722 50296 75444 100592 150888 301776 1024781 2049562 3074343 4099124 6148686 8198248 12297372 16396496 24594744 49189488