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290929054 = 21311189579
BaseRepresentation
bin10001010101110…
…011100110011110
3202021102201122011
4101111303212132
51043434212204
644511341434
710131566443
oct2125634636
9667381564
10290929054
1113a249339
128152187a
1348373090
142a8d19ca
151a81b304
hex1157399e

290929054 has 8 divisors (see below), whose sum is σ = 469962360. Its totient is φ = 134274936.

The previous prime is 290929049. The next prime is 290929057. The reversal of 290929054 is 450929092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2909290542 = 169279428922669832, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 290928998 and 290929016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290929057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5594764 + ... + 5594815.

It is an arithmetic number, because the mean of its divisors is an integer number (58745295).

Almost surely, 2290929054 is an apocalyptic number.

290929054 is a deficient number, since it is larger than the sum of its proper divisors (179033306).

290929054 is a wasteful number, since it uses less digits than its factorization.

290929054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11189594.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 290929054 is about 17056.6425183856. The cubic root of 290929054 is about 662.6166811930.

The spelling of 290929054 in words is "two hundred ninety million, nine hundred twenty-nine thousand, fifty-four".

Divisors: 1 2 13 26 11189579 22379158 145464527 290929054