Search a number
-
+
147030642 = 23211742579
BaseRepresentation
bin10001100001110…
…00001001110010
3101020122221010100
420300320021302
5300114440032
622331213230
73433511523
oct1060701162
9336587110
10147030642
1175aa4330
12412a7216
13245cc4a5
141575484a
15cd9497c
hex8c38272

147030642 has 24 divisors (see below), whose sum is σ = 347527440. Its totient is φ = 44554680.

The previous prime is 147030619. The next prime is 147030643. The reversal of 147030642 is 246030741.

147030642 is a `hidden beast` number, since 14 + 7 + 0 + 3 + 0 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (147030643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371092 + ... + 371487.

It is an arithmetic number, because the mean of its divisors is an integer number (14480310).

Almost surely, 2147030642 is an apocalyptic number.

147030642 is an abundant number, since it is smaller than the sum of its proper divisors (200496798).

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

147030642 is a wasteful number, since it uses less digits than its factorization.

147030642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742598 (or 742595 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 147030642 is about 12125.6192419192. The cubic root of 147030642 is about 527.7998768102.

Subtracting 147030642 from its reverse (246030741), we obtain a palindrome (99000099).

The spelling of 147030642 in words is "one hundred forty-seven million, thirty thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 742579 1485158 2227737 4455474 6683211 8168369 13366422 16336738 24505107 49010214 73515321 147030642