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49000992 = 2531972591
BaseRepresentation
bin1011101011101…
…1001000100000
310102012111201120
42322323020200
5100021012432
64510132240
71133334015
oct272731040
9112174646
1049000992
1125729197
12144b1080
13a1c8791
14671770c
15447dc2c
hex2ebb220

49000992 has 48 divisors (see below), whose sum is σ = 129330432. Its totient is φ = 16244480.

The previous prime is 49000967. The next prime is 49000993. The reversal of 49000992 is 29900094.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (49000993) 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, 17617 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (2694384).

Almost surely, 249000992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49000992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64665216).

49000992 is an abundant number, since it is smaller than the sum of its proper divisors (80329440).

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

49000992 is a wasteful number, since it uses less digits than its factorization.

49000992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 49000992 is about 7000.0708567842. The cubic root of 49000992 is about 365.9330403947.

The spelling of 49000992 in words is "forty-nine million, nine hundred ninety-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 197 394 591 788 1182 1576 2364 2591 3152 4728 5182 6304 7773 9456 10364 15546 18912 20728 31092 41456 62184 82912 124368 248736 510427 1020854 1531281 2041708 3062562 4083416 6125124 8166832 12250248 16333664 24500496 49000992