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290761042 = 211138911423
BaseRepresentation
bin10001010101001…
…010100101010010
3202021010012011111
4101111022211102
51043413323132
644504003534
710130266555
oct2125124522
9667105144
10290761042
1113a144090
12814605aa
1348314770
142a88a69c
151a7d6647
hex1154a952

290761042 has 32 divisors (see below), whose sum is σ = 518192640. Its totient is φ = 120616320.

The previous prime is 290760929. The next prime is 290761057. The reversal of 290761042 is 240167092.

It is a junction number, because it is equal to n+sod(n) for n = 290760995 and 290761013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19743 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (16193520).

Almost surely, 2290761042 is an apocalyptic number.

290761042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

290761042 is a deficient number, since it is larger than the sum of its proper divisors (227431598).

290761042 is a wasteful number, since it uses less digits than its factorization.

290761042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 290761042 is about 17051.7166877708. The cubic root of 290761042 is about 662.4891025619.

The spelling of 290761042 in words is "two hundred ninety million, seven hundred sixty-one thousand, forty-two".

Divisors: 1 2 11 13 22 26 89 143 178 286 979 1157 1958 2314 11423 12727 22846 25454 125653 148499 251306 296998 1016647 1633489 2033294 3266978 11183117 13216411 22366234 26432822 145380521 290761042