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1050643438 = 21394142943
BaseRepresentation
bin111110100111111…
…000101111101110
32201012222012211221
4332213320233232
54122431042223
6252130533554
735015215255
oct7647705756
92635865757
101050643438
1149a073a69
12253a372ba
1313988c410
149d77179c
1562386b5d
hex3e9f8bee

1050643438 has 16 divisors (see below), whose sum is σ = 1699036416. Its totient is φ = 484385760.

The previous prime is 1050643403. The next prime is 1050643459. The reversal of 1050643438 is 8343460501.

It is a happy number.

It is a super-2 number, since 2×10506434382 = 2207703267624919688, which contains 22 as substring.

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, 2995 + ... + 45937.

It is an arithmetic number, because the mean of its divisors is an integer number (106189776).

Almost surely, 21050643438 is an apocalyptic number.

1050643438 is a deficient number, since it is larger than the sum of its proper divisors (648392978).

1050643438 is a wasteful number, since it uses less digits than its factorization.

1050643438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43899.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1050643438 is about 32413.6304353585. The cubic root of 1050643438 is about 1016.6039296710.

The spelling of 1050643438 in words is "one billion, fifty million, six hundred forty-three thousand, four hundred thirty-eight".

Divisors: 1 2 13 26 941 1882 12233 24466 42943 85886 558259 1116518 40409363 80818726 525321719 1050643438