Search a number
-
+
147984140 = 22573101359
BaseRepresentation
bin10001101001000…
…00111100001100
3101022110101002002
420310200330030
5300340443030
622403451432
73444562433
oct1064407414
9338411062
10147984140
1176595747
1241686b78
13248744a5
141592211a
15ced2245
hex8d20f0c

147984140 has 24 divisors (see below), whose sum is σ = 315026880. Its totient is φ = 58382208.

The previous prime is 147984107. The next prime is 147984149. The reversal of 147984140 is 41489741.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 147984094 and 147984103.

It is not an unprimeable number, because it can be changed into a prime (147984149) 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 7 ways as a sum of consecutive naturals, for example, 49220 + ... + 52139.

It is an arithmetic number, because the mean of its divisors is an integer number (13126120).

Almost surely, 2147984140 is an apocalyptic number.

147984140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147984140 is an abundant number, since it is smaller than the sum of its proper divisors (167042740).

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

147984140 is a wasteful number, since it uses less digits than its factorization.

147984140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101441 (or 101439 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 147984140 is about 12164.8732011476. The cubic root of 147984140 is about 528.9383518603.

The spelling of 147984140 in words is "one hundred forty-seven million, nine hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 101359 202718 405436 506795 1013590 2027180 7399207 14798414 29596828 36996035 73992070 147984140