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130436550 = 23252289859
BaseRepresentation
bin1111100011001…
…00110111000110
3100002102212022100
413301210313012
5231342432200
620535412530
73142456326
oct761446706
9302385270
10130436550
116769aa02
1237824146
132103c3ba
1413475286
15b6b7d00
hex7c64dc6

130436550 has 36 divisors (see below), whose sum is σ = 350440740. Its totient is φ = 34782960.

The previous prime is 130436543. The next prime is 130436557. The reversal of 130436550 is 55634031.

130436550 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 3 + 655 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (130436543) and next prime (130436557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130436557) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 144480 + ... + 145379.

It is an arithmetic number, because the mean of its divisors is an integer number (9734465).

Almost surely, 2130436550 is an apocalyptic number.

130436550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130436550 is an abundant number, since it is smaller than the sum of its proper divisors (220004190).

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

130436550 is a wasteful number, since it uses less digits than its factorization.

130436550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289877 (or 289869 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 130436550 is about 11420.8821900937. The cubic root of 130436550 is about 507.1461129008.

The spelling of 130436550 in words is "one hundred thirty million, four hundred thirty-six thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 289859 579718 869577 1449295 1739154 2608731 2898590 4347885 5217462 7246475 8695770 13043655 14492950 21739425 26087310 43478850 65218275 130436550