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147111380 = 22513565813
BaseRepresentation
bin10001100010010…
…11110111010100
3101020211000212122
420301023313110
5300130031010
622333035112
73434266103
oct1061136724
9336730778
10147111380
1176049a59
1241325a98
132462a170
141577603a
15cdad855
hex8c4bdd4

147111380 has 24 divisors (see below), whose sum is σ = 332698632. Its totient is φ = 54317952.

The previous prime is 147111373. The next prime is 147111401. The reversal of 147111380 is 83111741.

147111380 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 894916 + 146216464 = 946^2 + 12092^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 282647 + ... + 283166.

It is an arithmetic number, because the mean of its divisors is an integer number (13862443).

Almost surely, 2147111380 is an apocalyptic number.

147111380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147111380 is an abundant number, since it is smaller than the sum of its proper divisors (185587252).

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

147111380 is a wasteful number, since it uses less digits than its factorization.

147111380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565835 (or 565833 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 147111380 is about 12128.9480170376. The cubic root of 147111380 is about 527.8964682604.

The spelling of 147111380 in words is "one hundred forty-seven million, one hundred eleven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 565813 1131626 2263252 2829065 5658130 7355569 11316260 14711138 29422276 36777845 73555690 147111380