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290130552 = 23331343197
BaseRepresentation
bin10001010010110…
…000101001111000
3202012221011022000
4101102300221320
51043233134202
644442301000
710122032445
oct2122605170
9665834260
10290130552
11139853418
12811b7760
13481537aa
142a7649cc
151a70e91c
hex114b0a78

290130552 has 32 divisors (see below), whose sum is σ = 805918800. Its totient is φ = 96710112.

The previous prime is 290130527. The next prime is 290130557. The reversal of 290130552 is 255031092.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290130557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671383 + ... + 671814.

Almost surely, 2290130552 is an apocalyptic number.

It is an amenable number.

290130552 is an abundant number, since it is smaller than the sum of its proper divisors (515788248).

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

290130552 is a wasteful number, since it uses less digits than its factorization.

290130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343212 (or 1343202 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 290130552 is about 17033.2190733284. The cubic root of 290130552 is about 662.0099060532.

The spelling of 290130552 in words is "two hundred ninety million, one hundred thirty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1343197 2686394 4029591 5372788 8059182 10745576 12088773 16118364 24177546 32236728 36266319 48355092 72532638 96710184 145065276 290130552