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890950074 = 23721213097
BaseRepresentation
bin110101000110101…
…101000110111010
32022002110221201220
4311012231012322
53311040400244
6224224052510
731035644040
oct6506550672
92262427656
10890950074
11417a10a83
1220a464136
131127783c1
1486482390
1553340319
hex351ad1ba

890950074 has 16 divisors (see below), whose sum is σ = 2036457408. Its totient is φ = 254557152.

The previous prime is 890950063. The next prime is 890950111. The reversal of 890950074 is 470059098.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 21213097 = 890950074 / (8 + 9 + 0 + 9 + 5 + 0 + 0 + 7 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10606507 + ... + 10606590.

It is an arithmetic number, because the mean of its divisors is an integer number (127278588).

Almost surely, 2890950074 is an apocalyptic number.

890950074 is an abundant number, since it is smaller than the sum of its proper divisors (1145507334).

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

890950074 is a wasteful number, since it uses less digits than its factorization.

890950074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213109.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 890950074 is about 29848.7868095171. The cubic root of 890950074 is about 962.2423256710.

The spelling of 890950074 in words is "eight hundred ninety million, nine hundred fifty thousand, seventy-four".

Divisors: 1 2 3 6 7 14 21 42 21213097 42426194 63639291 127278582 148491679 296983358 445475037 890950074