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7634344940 = 2251971937651
BaseRepresentation
bin1110001110000101…
…01101101111101100
3201201001100220110022
413013002231233230
5111113343014230
63301314301312
7360120601265
oct70702555754
921631326408
107634344940
113268430392
121590887838
13948868391
14525cc396c
152ea36d1e5
hex1c70adbec

7634344940 has 24 divisors (see below), whose sum is σ = 16113514032. Its totient is φ = 3038235200.

The previous prime is 7634344933. The next prime is 7634344981. The reversal of 7634344940 is 494434367.

It is a junction number, because it is equal to n+sod(n) for n = 7634344891 and 7634344900.

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, 964886 + ... + 972765.

It is an arithmetic number, because the mean of its divisors is an integer number (671396418).

Almost surely, 27634344940 is an apocalyptic number.

It is an amenable number.

7634344940 is an abundant number, since it is smaller than the sum of its proper divisors (8479169092).

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

7634344940 is a wasteful number, since it uses less digits than its factorization.

7634344940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937857 (or 1937855 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The square root of 7634344940 is about 87374.7385689937. The cubic root of 7634344940 is about 1969.0523360797.

The spelling of 7634344940 in words is "seven billion, six hundred thirty-four million, three hundred forty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 1937651 3875302 7750604 9688255 19376510 38753020 381717247 763434494 1526868988 1908586235 3817172470 7634344940