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130049402 = 2731299653
BaseRepresentation
bin1111100000001…
…10010101111010
3100001201012020112
413300012111322
5231243040102
620523224322
73136254530
oct760062572
9301635215
10130049402
116745604a
12376780a2
1320c35112
14133b4150
15b63d252
hex7c0657a

130049402 has 16 divisors (see below), whose sum is σ = 230134272. Its totient is φ = 53937360.

The previous prime is 130049401. The next prime is 130049411. The reversal of 130049402 is 204940031.

It is not an unprimeable number, because it can be changed into a prime (130049401) 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, 149393 + ... + 150260.

It is an arithmetic number, because the mean of its divisors is an integer number (14383392).

Almost surely, 2130049402 is an apocalyptic number.

130049402 is a deficient number, since it is larger than the sum of its proper divisors (100084870).

130049402 is a wasteful number, since it uses less digits than its factorization.

130049402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299693.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130049402 is about 11403.9204662256. The cubic root of 130049402 is about 506.6438631434.

Adding to 130049402 its reverse (204940031), we get a palindrome (334989433).

The spelling of 130049402 in words is "one hundred thirty million, forty-nine thousand, four hundred two".

Divisors: 1 2 7 14 31 62 217 434 299653 599306 2097571 4195142 9289243 18578486 65024701 130049402