Search a number
-
+
1641958248 = 233721396223
BaseRepresentation
bin110000111011110…
…0100101101101000
311020102122010021110
41201313210231220
511330320130443
6430532510320
755455262200
oct14167445550
94212563243
101641958248
1177292a597
12399a7b3a0
13202236a38
141180d7400
159923b233
hex61de4b68

1641958248 has 48 divisors (see below), whose sum is σ = 4775086080. Its totient is φ = 469130592.

The previous prime is 1641958231. The next prime is 1641958261. The reversal of 1641958248 is 8428591461.

It is a junction number, because it is equal to n+sod(n) for n = 1641958197 and 1641958206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696936 + ... + 699287.

It is an arithmetic number, because the mean of its divisors is an integer number (99480960).

Almost surely, 21641958248 is an apocalyptic number.

It is an amenable number.

1641958248 is an abundant number, since it is smaller than the sum of its proper divisors (3133127832).

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

1641958248 is a wasteful number, since it uses less digits than its factorization.

1641958248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396246 (or 1396235 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 1641958248 is about 40521.0839933978. The cubic root of 1641958248 is about 1179.7428933279.

The spelling of 1641958248 in words is "one billion, six hundred forty-one million, nine hundred fifty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 1396223 2792446 4188669 5584892 8377338 9773561 11169784 16754676 19547122 29320683 33509352 39094244 58641366 68414927 78188488 117282732 136829854 205244781 234565464 273659708 410489562 547319416 820979124 1641958248