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147199444 = 2275399191
BaseRepresentation
bin10001100011000…
…01010111010100
3101020222111200021
420301201113110
5300140340234
622334554524
73435113620
oct1061412724
9336874607
10147199444
11760aa137
1241368a44
132465b282
141579a180
15cdc99b4
hex8c615d4

147199444 has 24 divisors (see below), whose sum is σ = 299956608. Its totient is φ = 61894560.

The previous prime is 147199417. The next prime is 147199453. The reversal of 147199444 is 444991741.

147199444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 147199444.

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, 48112 + ... + 51079.

It is an arithmetic number, because the mean of its divisors is an integer number (12498192).

Almost surely, 2147199444 is an apocalyptic number.

147199444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

147199444 is an abundant number, since it is smaller than the sum of its proper divisors (152757164).

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

147199444 is a wasteful number, since it uses less digits than its factorization.

147199444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99255 (or 99253 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 147199444 is about 12132.5777969894. The cubic root of 147199444 is about 528.0017839318.

The spelling of 147199444 in words is "one hundred forty-seven million, one hundred ninety-nine thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 99191 198382 396764 694337 1388674 2777348 5257123 10514246 21028492 36799861 73599722 147199444