Search a number
-
+
1621190058 = 231512397487
BaseRepresentation
bin110000010100001…
…0110010110101010
311011222112222200020
41200220112112222
511310011040213
6424511421310
755113613425
oct14050262652
94158488606
101621190058
117621350a4
12392b24836
131cab44a77
1411544c9bc
15974d7923
hex60a165aa

1621190058 has 32 divisors (see below), whose sum is σ = 3277946880. Its totient is φ = 534500400.

The previous prime is 1621190017. The next prime is 1621190083. The reversal of 1621190058 is 8500911261.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 212791 + ... + 220277.

It is an arithmetic number, because the mean of its divisors is an integer number (102435840).

Almost surely, 21621190058 is an apocalyptic number.

1621190058 is an abundant number, since it is smaller than the sum of its proper divisors (1656756822).

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

1621190058 is a wasteful number, since it uses less digits than its factorization.

1621190058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 1621190058 is about 40264.0044953306. The cubic root of 1621190058 is about 1174.7478095853.

The spelling of 1621190058 in words is "one billion, six hundred twenty-one million, one hundred ninety thousand, fifty-eight".

Divisors: 1 2 3 6 151 239 302 453 478 717 906 1434 7487 14974 22461 36089 44922 72178 108267 216534 1130537 1789393 2261074 3391611 3578786 5368179 6783222 10736358 270198343 540396686 810595029 1621190058