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147022238 = 21137180617
BaseRepresentation
bin10001100001101…
…10000110011110
3101020122111121002
420300312012132
5300114202423
622331110302
73433445156
oct1060660636
9336574532
10147022238
1175a98a90
12412a2392
13245c870c
1415751766
15cd92228
hex8c3619e

147022238 has 16 divisors (see below), whose sum is σ = 247085424. Its totient is φ = 65021760.

The previous prime is 147022237. The next prime is 147022283. The reversal of 147022238 is 832220741.

It is a self number, because there is not a number n which added to its sum of digits gives 147022238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147022231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89495 + ... + 91122.

It is an arithmetic number, because the mean of its divisors is an integer number (15442839).

Almost surely, 2147022238 is an apocalyptic number.

147022238 is a deficient number, since it is larger than the sum of its proper divisors (100063186).

147022238 is a wasteful number, since it uses less digits than its factorization.

147022238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180667.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 147022238 is about 12125.2726979644. The cubic root of 147022238 is about 527.7898205964.

Adding to 147022238 its reverse (832220741), we get a palindrome (979242979).

The spelling of 147022238 in words is "one hundred forty-seven million, twenty-two thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 37 74 407 814 180617 361234 1986787 3973574 6682829 13365658 73511119 147022238