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49948812 = 2234314973
BaseRepresentation
bin1011111010001…
…0100010001100
310110222122220000
42332202202030
5100241330222
64542324300
71144362234
oct276424214
9113878800
1049948812
1126216311
1214889690
13a46b014
1468c2cc4
1545b99ac
hex2fa288c

49948812 has 60 divisors (see below), whose sum is σ = 134815296. Its totient is φ = 16109280.

The previous prime is 49948807. The next prime is 49948831. The reversal of 49948812 is 21884994.

It is a super-2 number, since 2×499488122 = 4989767640422688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7558 + ... + 12530.

Almost surely, 249948812 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 49948812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67407648).

49948812 is an abundant number, since it is smaller than the sum of its proper divisors (84866484).

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

49948812 is a wasteful number, since it uses less digits than its factorization.

49948812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020 (or 5009 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 49948812 is about 7067.4473468148. The cubic root of 49948812 is about 368.2773881348.

It can be divided in two parts, 499488 and 12, that added together give a triangular number (499500 = T999).

The spelling of 49948812 in words is "forty-nine million, nine hundred forty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 279 324 372 558 837 1116 1674 2511 3348 4973 5022 9946 10044 14919 19892 29838 44757 59676 89514 134271 154163 179028 268542 308326 402813 462489 537084 616652 805626 924978 1387467 1611252 1849956 2774934 4162401 5549868 8324802 12487203 16649604 24974406 49948812