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147442630 = 2516788289
BaseRepresentation
bin10001100100111…
…00101111000110
3101021102212021011
420302130233012
5300221131010
622344112434
73440145616
oct1062345706
9337385234
10147442630
1176255915
124146571a
1324714b7a
1415820a46
15ce26a8a
hex8c9cbc6

147442630 has 16 divisors (see below), whose sum is σ = 266988960. Its totient is φ = 58623232.

The previous prime is 147442613. The next prime is 147442637. The reversal of 147442630 is 36244741.

147442630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 147442592 and 147442601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147442637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42475 + ... + 45814.

It is an arithmetic number, because the mean of its divisors is an integer number (16686810).

Almost surely, 2147442630 is an apocalyptic number.

147442630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147442630 is a deficient number, since it is larger than the sum of its proper divisors (119546330).

147442630 is a wasteful number, since it uses less digits than its factorization.

147442630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88463.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 147442630 is about 12142.5956862608. The cubic root of 147442630 is about 528.2923919044.

The spelling of 147442630 in words is "one hundred forty-seven million, four hundred forty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 167 334 835 1670 88289 176578 441445 882890 14744263 29488526 73721315 147442630