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151344220 = 2257567211
BaseRepresentation
bin10010000010101…
…01010001011100
3101112210002020111
421001111101130
5302221003340
623003455404
73515255536
oct1101252134
9345702214
10151344220
1178480175
1242827564
132547c9c1
1416158856
15d447aea
hex905545c

151344220 has 12 divisors (see below), whose sum is σ = 317822904. Its totient is φ = 60537680.

The previous prime is 151344191. The next prime is 151344227. The reversal of 151344220 is 22443151.

It is a junction number, because it is equal to n+sod(n) for n = 151344191 and 151344200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151344227) 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 3 ways as a sum of consecutive naturals, for example, 3783586 + ... + 3783625.

It is an arithmetic number, because the mean of its divisors is an integer number (26485242).

Almost surely, 2151344220 is an apocalyptic number.

151344220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151344220 is an abundant number, since it is smaller than the sum of its proper divisors (166478684).

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

151344220 is a wasteful number, since it uses less digits than its factorization.

151344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567220 (or 7567218 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 151344220 is about 12302.2038676003. The cubic root of 151344220 is about 532.9117301761.

Adding to 151344220 its reverse (22443151), we get a palindrome (173787371).

The spelling of 151344220 in words is "one hundred fifty-one million, three hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7567211 15134422 30268844 37836055 75672110 151344220