Search a number
-
+
130440412 = 2250964067
BaseRepresentation
bin1111100011001…
…01110011011100
3100002110001121101
413301211303130
5231343043122
620535442444
73142503514
oct761456334
9302401541
10130440412
11676a28a3
1237826424
132104109b
1413476844
15b6b9027
hex7c65cdc

130440412 has 12 divisors (see below), whose sum is σ = 228722760. Its totient is φ = 65091056.

The previous prime is 130440407. The next prime is 130440487. The reversal of 130440412 is 214044031.

It is a self number, because there is not a number n which added to its sum of digits gives 130440412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29998 + ... + 34069.

It is an arithmetic number, because the mean of its divisors is an integer number (19060230).

Almost surely, 2130440412 is an apocalyptic number.

It is an amenable number.

130440412 is a deficient number, since it is larger than the sum of its proper divisors (98282348).

130440412 is a wasteful number, since it uses less digits than its factorization.

130440412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64580 (or 64578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 130440412 is about 11421.0512650981. The cubic root of 130440412 is about 507.1511180903.

Adding to 130440412 its reverse (214044031), we get a palindrome (344484443).

The spelling of 130440412 in words is "one hundred thirty million, four hundred forty thousand, four hundred twelve".

Divisors: 1 2 4 509 1018 2036 64067 128134 256268 32610103 65220206 130440412