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1541325040 = 245131147073
BaseRepresentation
bin101101111011110…
…1100000011110000
310222102021102110121
41123313230003300
511124034400130
6412535540024
753124022003
oct13367540360
93872242417
101541325040
11721046352
1237022a614
131b7430c68
141089bd53a
15904add7a
hex5bdec0f0

1541325040 has 40 divisors (see below), whose sum is σ = 3610960848. Its totient is φ = 611819520.

The previous prime is 1541325029. The next prime is 1541325041. The reversal of 1541325040 is 405231451.

It is a happy number.

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 = 1541324996 and 1541325014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541325041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63057 + ... + 84016.

Almost surely, 21541325040 is an apocalyptic number.

1541325040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1541325040 is an abundant number, since it is smaller than the sum of its proper divisors (2069635808).

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

1541325040 is a wasteful number, since it uses less digits than its factorization.

1541325040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147217 (or 147211 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1541325040 is about 39259.7126836150. The cubic root of 1541325040 is about 1155.1314580857.

Adding to 1541325040 its reverse (405231451), we get a palindrome (1946556491).

The spelling of 1541325040 in words is "one billion, five hundred forty-one million, three hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 131 262 524 655 1048 1310 2096 2620 5240 10480 147073 294146 588292 735365 1176584 1470730 2353168 2941460 5882920 11765840 19266563 38533126 77066252 96332815 154132504 192665630 308265008 385331260 770662520 1541325040