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1097629648 = 24312212963
BaseRepresentation
bin100000101101100…
…0111111111010000
32211111101100210221
41001123013333100
54221443122043
6300530002424
736125461303
oct10133077720
92744340727
101097629648
11513646445
12267716414
13146530acb
14a5ac2b3a
15665688ed
hex416c7fd0

1097629648 has 20 divisors (see below), whose sum is σ = 2195260288. Its totient is φ = 531110880.

The previous prime is 1097629609. The next prime is 1097629649. The reversal of 1097629648 is 8469267901.

It is a happy number.

1097629648 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1097629595 and 1097629604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097629649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105986 + ... + 1106977.

Almost surely, 21097629648 is an apocalyptic number.

It is an amenable number.

1097629648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1097629648 is a wasteful number, since it uses less digits than its factorization.

1097629648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213002 (or 2212996 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1097629648 is about 33130.4942311460. The cubic root of 1097629648 is about 1031.5381073049.

The spelling of 1097629648 in words is "one billion, ninety-seven million, six hundred twenty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 2212963 4425926 8851852 17703704 35407408 68601853 137203706 274407412 548814824 1097629648