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290893542 = 2348779941
BaseRepresentation
bin10001010101101…
…010111011100110
3202021100220220220
4101111222323212
51043432043132
644510505210
710131361062
oct2125527346
9667326826
10290893542
1113a224695
1281505206
134835cb74
142a8c2aa2
151a810a2c
hex1156aee6

290893542 has 16 divisors (see below), whose sum is σ = 581964912. Its totient is φ = 96934880.

The previous prime is 290893531. The next prime is 290893571. The reversal of 290893542 is 245398092.

It is a junction number, because it is equal to n+sod(n) for n = 290893494 and 290893503.

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, 24292 + ... + 34232.

It is an arithmetic number, because the mean of its divisors is an integer number (36372807).

Almost surely, 2290893542 is an apocalyptic number.

290893542 is an abundant number, since it is smaller than the sum of its proper divisors (291071370).

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

290893542 is a wasteful number, since it uses less digits than its factorization.

290893542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 290893542 is about 17055.6014845563. The cubic root of 290893542 is about 662.5897195211.

The spelling of 290893542 in words is "two hundred ninety million, eight hundred ninety-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 4877 9754 9941 14631 19882 29262 29823 59646 48482257 96964514 145446771 290893542