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290189076 = 22337653579
BaseRepresentation
bin10001010010111…
…110111100010100
3202020001010120120
4101102332330110
51043242022301
644443431540
710122365202
oct2122767424
9666033516
10290189076
11139893391
12812255b0
1348174318
142a77c072
151a721e36
hex114bef14

290189076 has 24 divisors (see below), whose sum is σ = 695409120. Its totient is φ = 94115232.

The previous prime is 290188967. The next prime is 290189083. The reversal of 290189076 is 670981092.

It is an alternating number because its digits alternate between even and odd.

It is a congruent 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, 326346 + ... + 327233.

It is an arithmetic number, because the mean of its divisors is an integer number (28975380).

Almost surely, 2290189076 is an apocalyptic number.

It is an amenable number.

290189076 is an abundant number, since it is smaller than the sum of its proper divisors (405220044).

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

290189076 is a wasteful number, since it uses less digits than its factorization.

290189076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653623 (or 653621 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 290189076 is about 17034.9369238633. The cubic root of 290189076 is about 662.0544157434.

The spelling of 290189076 in words is "two hundred ninety million, one hundred eighty-nine thousand, seventy-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 653579 1307158 1960737 2614316 3921474 7842948 24182423 48364846 72547269 96729692 145094538 290189076