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147009838 = 279792227
BaseRepresentation
bin10001100001100…
…11000100101110
3101020121212120211
420300303010232
5300113303323
622330533034
73433364053
oct1060630456
9336555524
10147009838
1175a8a738
124129717a
13245c2b91
141574b02a
15cd8d70d
hex8c3312e

147009838 has 8 divisors (see below), whose sum is σ = 220793832. Its totient is φ = 73411896.

The previous prime is 147009833. The next prime is 147009839. The reversal of 147009838 is 838900741.

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

It is a super-2 number, since 2×1470098382 = 43223784937572488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147009838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147009833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44520 + ... + 47707.

It is an arithmetic number, because the mean of its divisors is an integer number (27599229).

Almost surely, 2147009838 is an apocalyptic number.

147009838 is a deficient number, since it is larger than the sum of its proper divisors (73783994).

147009838 is an equidigital number, since it uses as much as digits as its factorization.

147009838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93026.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 147009838 is about 12124.7613584763. The cubic root of 147009838 is about 527.7749820753.

The spelling of 147009838 in words is "one hundred forty-seven million, nine thousand, eight hundred thirty-eight".

Divisors: 1 2 797 1594 92227 184454 73504919 147009838