Search a number
-
+
151220310 = 23510214937
BaseRepresentation
bin10010000001101…
…11000001010110
3101112112210021020
421000313001112
5302203022220
623001102010
73514231353
oct1100670126
9345483236
10151220310
11783a606a
1242787906
1325438497
141612562a
15d421040
hex9037056

151220310 has 32 divisors (see below), whose sum is σ = 363357792. Its totient is φ = 40277760.

The previous prime is 151220231. The next prime is 151220317. The reversal of 151220310 is 13022151.

It is a super-2 number, since 2×1512203102 = 45735164312992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 151220310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151220317) by changing a digit.

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, 28162 + ... + 33098.

It is an arithmetic number, because the mean of its divisors is an integer number (11354931).

Almost surely, 2151220310 is an apocalyptic number.

151220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151220310 is an abundant number, since it is smaller than the sum of its proper divisors (212137482).

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

151220310 is a wasteful number, since it uses less digits than its factorization.

151220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 151220310 is about 12297.1667468568. The cubic root of 151220310 is about 532.7662535891.

Adding to 151220310 its reverse (13022151), we get a palindrome (164242461).

The spelling of 151220310 in words is "one hundred fifty-one million, two hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1021 2042 3063 4937 5105 6126 9874 10210 14811 15315 24685 29622 30630 49370 74055 148110 5040677 10081354 15122031 25203385 30244062 50406770 75610155 151220310