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1947000056 = 23718341299
BaseRepresentation
bin111010000001100…
…1101110011111000
312000200121211222012
41310003031303320
512441413000211
6521110545052
766151141001
oct16403156370
95020554865
101947000056
1190a037a61
12464068188
132504ab651
141468201a8
15b5de3d8b
hex740cdcf8

1947000056 has 32 divisors (see below), whose sum is σ = 3746736000. Its totient is φ = 948202080.

The previous prime is 1947000049. The next prime is 1947000079. The reversal of 1947000056 is 6500007491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1946999986 and 1947000031.

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, 26495 + ... + 67793.

It is an arithmetic number, because the mean of its divisors is an integer number (117085500).

Almost surely, 21947000056 is an apocalyptic number.

It is an amenable number.

1947000056 is a deficient number, since it is larger than the sum of its proper divisors (1799735944).

1947000056 is a wasteful number, since it uses less digits than its factorization.

1947000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41459 (or 41455 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1947000056 is about 44124.8235803839. The cubic root of 1947000056 is about 1248.6919770181.

The spelling of 1947000056 in words is "one billion, nine hundred forty-seven million, fifty-six", and thus it is an aban number.

Divisors: 1 2 4 8 71 83 142 166 284 332 568 664 5893 11786 23572 41299 47144 82598 165196 330392 2932229 3427817 5864458 6855634 11728916 13711268 23457832 27422536 243375007 486750014 973500028 1947000056