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1375884140 = 22568794207
BaseRepresentation
bin101001000000010…
…0101001101101100
310112212222011012212
41102000211031230
510304211243030
6344305545552
746044552011
oct12200451554
93485864185
101375884140
11646718134
123249452b8
1318c086b37
14d0a35708
1580bce595
hex5202536c

1375884140 has 12 divisors (see below), whose sum is σ = 2889356736. Its totient is φ = 550353648.

The previous prime is 1375884131. The next prime is 1375884151. The reversal of 1375884140 is 414885731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34397084 + ... + 34397123.

It is an arithmetic number, because the mean of its divisors is an integer number (240779728).

Almost surely, 21375884140 is an apocalyptic number.

1375884140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375884140 is an abundant number, since it is smaller than the sum of its proper divisors (1513472596).

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

1375884140 is a wasteful number, since it uses less digits than its factorization.

1375884140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68794216 (or 68794214 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 1375884140 is about 37092.9122609697. The cubic root of 1375884140 is about 1112.2283347943.

The spelling of 1375884140 in words is "one billion, three hundred seventy-five million, eight hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 68794207 137588414 275176828 343971035 687942070 1375884140