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7900243422 = 233142474427
BaseRepresentation
bin1110101101110010…
…00010010111011110
3202101120200221121020
413112321002113132
5112134430242142
63343533345010
7366526650441
oct72671022736
922346627536
107900243422
1133945328a5
121645938166
1398b986366
1454d33b658
15313892cec
hex1d6e425de

7900243422 has 16 divisors (see below), whose sum is σ = 16310180352. Its totient is φ = 2548465560.

The previous prime is 7900243411. The next prime is 7900243433. The reversal of 7900243422 is 2243420097.

It is an interprime number because it is at equal distance from previous prime (7900243411) and next prime (7900243433).

It is a super-2 number, since 2×79002434222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21237028 + ... + 21237399.

It is an arithmetic number, because the mean of its divisors is an integer number (1019386272).

Almost surely, 27900243422 is an apocalyptic number.

7900243422 is an abundant number, since it is smaller than the sum of its proper divisors (8409936930).

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

7900243422 is a wasteful number, since it uses less digits than its factorization.

7900243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42474463.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 7900243422 is about 88883.3135183427. The cubic root of 7900243422 is about 1991.6521570702.

The spelling of 7900243422 in words is "seven billion, nine hundred million, two hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 42474427 84948854 127423281 254846562 1316707237 2633414474 3950121711 7900243422