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147449290 = 2514744929
BaseRepresentation
bin10001100100111…
…10010111001010
3101021110012101211
420302132113022
5300221334130
622344203334
73440204212
oct1062362712
9337405354
10147449290
117625a91a
124146954a
1324717c01
1415823242
15ce28a2a
hex8c9e5ca

147449290 has 8 divisors (see below), whose sum is σ = 265408740. Its totient is φ = 58979712.

The previous prime is 147449257. The next prime is 147449303. The reversal of 147449290 is 92944741.

147449290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139925241 + 7524049 = 11829^2 + 2743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372455 + ... + 7372474.

Almost surely, 2147449290 is an apocalyptic number.

147449290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147449290 is a deficient number, since it is larger than the sum of its proper divisors (117959450).

147449290 is a wasteful number, since it uses less digits than its factorization.

147449290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744936.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 147449290 is about 12142.8699243630. The cubic root of 147449290 is about 528.3003461267.

The spelling of 147449290 in words is "one hundred forty-seven million, four hundred forty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 14744929 29489858 73724645 147449290