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130297410 = 2345160861
BaseRepresentation
bin1111100010000…
…10111001000010
3100002011210110000
413301002321002
5231324004120
620532420430
73141336555
oct761027102
9302153400
10130297410
1167605411
1237777716
1320cc0c79
141343a69c
15b68b990
hex7c42e42

130297410 has 40 divisors (see below), whose sum is σ = 350357436. Its totient is φ = 34745760.

The previous prime is 130297399. The next prime is 130297417. The reversal of 130297410 is 14792031.

It can be written as a sum of positive squares in 2 ways, for example, as 127983969 + 2313441 = 11313^2 + 1521^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130297417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79621 + ... + 81240.

Almost surely, 2130297410 is an apocalyptic number.

130297410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130297410 is an abundant number, since it is smaller than the sum of its proper divisors (220060026).

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

130297410 is a wasteful number, since it uses less digits than its factorization.

130297410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160880 (or 160871 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 130297410 is about 11414.7890913499. The cubic root of 130297410 is about 506.9657201710.

The spelling of 130297410 in words is "one hundred thirty million, two hundred ninety-seven thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 160861 321722 482583 804305 965166 1447749 1608610 2412915 2895498 4343247 4825830 7238745 8686494 13029741 14477490 21716235 26059482 43432470 65148705 130297410