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1451109040 = 24519954677
BaseRepresentation
bin101011001111110…
…0010101010110000
310202010111222101021
41112133202222300
510432440442130
6355554145224
750650136413
oct12637425260
93663458337
101451109040
11685127777
12345b82214
131a1834904
14daa17b7a
15875dd37a
hex567e2ab0

1451109040 has 40 divisors (see below), whose sum is σ = 3551402160. Its totient is φ = 549893376.

The previous prime is 1451109029. The next prime is 1451109041. The reversal of 1451109040 is 409011541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1451108996 and 1451109014.

It is not an unprimeable number, because it can be changed into a prime (1451109041) 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, 475819 + ... + 478858.

It is an arithmetic number, because the mean of its divisors is an integer number (88785054).

Almost surely, 21451109040 is an apocalyptic number.

1451109040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451109040 is an abundant number, since it is smaller than the sum of its proper divisors (2100293120).

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

1451109040 is a wasteful number, since it uses less digits than its factorization.

1451109040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954709 (or 954703 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1451109040 is about 38093.4251544804. The cubic root of 1451109040 is about 1132.1396898373.

The spelling of 1451109040 in words is "one billion, four hundred fifty-one million, one hundred nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 954677 1909354 3818708 4773385 7637416 9546770 15274832 18138863 19093540 36277726 38187080 72555452 76374160 90694315 145110904 181388630 290221808 362777260 725554520 1451109040