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147869220 = 22352464487
BaseRepresentation
bin10001101000001…
…00111000100100
3101022020112102210
420310010320210
5300323303340
622401203420
73443603412
oct1064047044
9338215383
10147869220
1176517374
1241630570
13248340a5
14158d22b2
15cead180
hex8d04e24

147869220 has 24 divisors (see below), whose sum is σ = 414033984. Its totient is φ = 39431776.

The previous prime is 147869207. The next prime is 147869221. The reversal of 147869220 is 22968741.

147869220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (147869221) 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, 1232184 + ... + 1232303.

It is an arithmetic number, because the mean of its divisors is an integer number (17251416).

Almost surely, 2147869220 is an apocalyptic number.

147869220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147869220 is an abundant number, since it is smaller than the sum of its proper divisors (266164764).

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

147869220 is a wasteful number, since it uses less digits than its factorization.

147869220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464499 (or 2464497 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 147869220 is about 12160.1488477732. The cubic root of 147869220 is about 528.8013972359.

The spelling of 147869220 in words is "one hundred forty-seven million, eight hundred sixty-nine thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2464487 4928974 7393461 9857948 12322435 14786922 24644870 29573844 36967305 49289740 73934610 147869220