Search a number
-
+
156320030 = 25193472371
BaseRepresentation
bin10010101000101…
…00000100011110
3101220010212202202
421110110010132
5310004220110
623302251502
73605461346
oct1124240436
9356125682
10156320030
1180269609
1244426b92
1326502779
1416a91d26
15dacc0a5
hex951411e

156320030 has 32 divisors (see below), whose sum is σ = 297164160. Its totient is φ = 59041440.

The previous prime is 156320027. The next prime is 156320041. The reversal of 156320030 is 30023651.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156319984 and 156320011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64745 + ... + 67115.

It is an arithmetic number, because the mean of its divisors is an integer number (9286380).

Almost surely, 2156320030 is an apocalyptic number.

156320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156320030 is a deficient number, since it is larger than the sum of its proper divisors (140844130).

156320030 is a wasteful number, since it uses less digits than its factorization.

156320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 156320030 is about 12502.8008862015. The cubic root of 156320030 is about 538.6891271888.

Adding to 156320030 its reverse (30023651), we get a palindrome (186343681).

The spelling of 156320030 in words is "one hundred fifty-six million, three hundred twenty thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 347 694 1735 2371 3470 4742 6593 11855 13186 23710 32965 45049 65930 90098 225245 450490 822737 1645474 4113685 8227370 15632003 31264006 78160015 156320030