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1936803648 = 26313775963
BaseRepresentation
bin111001101110001…
…0100011101000000
311222222102211010110
41303130110131000
512431310204043
6520104231320
765665362603
oct16334243500
94888384113
101936803648
1190430327a
1246076b540
1324b34b580
1414532833a
15b507cb33
hex73714740

1936803648 has 56 divisors (see below), whose sum is σ = 5518655968. Its totient is φ = 595938816.

The previous prime is 1936803643. The next prime is 1936803697. The reversal of 1936803648 is 8463086391.

It is a super-2 number, since 2×19368036482 = 7502416741812215808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1936803597 and 1936803606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936803643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385486 + ... + 390477.

It is an arithmetic number, because the mean of its divisors is an integer number (98547428).

Almost surely, 21936803648 is an apocalyptic number.

It is an amenable number.

1936803648 is an abundant number, since it is smaller than the sum of its proper divisors (3581852320).

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

1936803648 is a wasteful number, since it uses less digits than its factorization.

1936803648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775991 (or 775981 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 1936803648 is about 44009.1314161050. The cubic root of 1936803648 is about 1246.5083674563.

The spelling of 1936803648 in words is "one billion, nine hundred thirty-six million, eight hundred three thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 775963 1551926 2327889 3103852 4655778 6207704 9311556 10087519 12415408 18623112 20175038 24830816 30262557 37246224 40350076 49661632 60525114 74492448 80700152 121050228 148984896 161400304 242100456 322800608 484200912 645601216 968401824 1936803648