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130423154 = 2797391117
BaseRepresentation
bin1111100011000…
…01100101110010
3100002102011221012
413301201211302
5231342020104
620535230522
73142402301
oct761414562
9302364835
10130423154
1167690934
1237818442
1321036284
1413470438
15b6b3d6e
hex7c61972

130423154 has 16 divisors (see below), whose sum is σ = 198556800. Its totient is φ = 64241424.

The previous prime is 130423141. The next prime is 130423177. The reversal of 130423154 is 451324031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116204 + ... + 117320.

It is an arithmetic number, because the mean of its divisors is an integer number (12409800).

Almost surely, 2130423154 is an apocalyptic number.

130423154 is a deficient number, since it is larger than the sum of its proper divisors (68133646).

130423154 is a wasteful number, since it uses less digits than its factorization.

130423154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 130423154 is about 11420.2957054535. The cubic root of 130423154 is about 507.1287507889.

Adding to 130423154 its reverse (451324031), we get a palindrome (581747185).

The spelling of 130423154 in words is "one hundred thirty million, four hundred twenty-three thousand, one hundred fifty-four".

Divisors: 1 2 79 158 739 1117 1478 2234 58381 88243 116762 176486 825463 1650926 65211577 130423154