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1072668860 = 225523110253
BaseRepresentation
bin111111111011111…
…010000010111100
32202202102020001022
4333323322002330
54144100400420
6254235003312
735403351314
oct7773720274
92682366038
101072668860
11500547a9a
1225b299538
13141301703
14a2666444
1564287c25
hex3fefa0bc

1072668860 has 24 divisors (see below), whose sum is σ = 2253254976. Its totient is φ = 428943680.

The previous prime is 1072668859. The next prime is 1072668881. The reversal of 1072668860 is 688662701.

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, 99494 + ... + 109746.

It is an arithmetic number, because the mean of its divisors is an integer number (93885624).

Almost surely, 21072668860 is an apocalyptic number.

1072668860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072668860 is an abundant number, since it is smaller than the sum of its proper divisors (1180586116).

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

1072668860 is a wasteful number, since it uses less digits than its factorization.

1072668860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493 (or 15491 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1072668860 is about 32751.6237765397. The cubic root of 1072668860 is about 1023.6588002541.

The spelling of 1072668860 in words is "one billion, seventy-two million, six hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5231 10253 10462 20506 20924 26155 41012 51265 52310 102530 104620 205060 53633443 107266886 214533772 268167215 536334430 1072668860