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1350947840 = 21051117283
BaseRepresentation
bin101000010000101…
…1101010000000000
310111011001021001012
41100201131100000
510231320312330
6342015300052
745322603304
oct12041352000
93434037035
101350947840
11633636120
1231851a628
13186b65928
14cb5c3d04
157d905c95
hex5085d400

1350947840 has 264 divisors, whose sum is σ = 3800738592. Its totient is φ = 456785920.

The previous prime is 1350947833. The next prime is 1350947879. The reversal of 1350947840 is 487490531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16276439 + ... + 16276521.

Almost surely, 21350947840 is an apocalyptic number.

1350947840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900369296).

1350947840 is an abundant number, since it is smaller than the sum of its proper divisors (2449790752).

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

1350947840 is a wasteful number, since it uses less digits than its factorization.

1350947840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1350947840 is about 36755.2423471809. The cubic root of 1350947840 is about 1105.4680462970.

The spelling of 1350947840 in words is "one billion, three hundred fifty million, nine hundred forty-seven thousand, eight hundred forty".