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949136380 = 22547456819
BaseRepresentation
bin111000100100101…
…010101111111100
32110010222010100021
4320210222233330
53420434331010
6234103141524
732343345313
oct7044525774
92403863307
10949136380
11447843235
12225a448a4
1312183b97a
14900ab27a
15584d58da
hex3892abfc

949136380 has 12 divisors (see below), whose sum is σ = 1993186440. Its totient is φ = 379654544.

The previous prime is 949136371. The next prime is 949136399. The reversal of 949136380 is 83631949.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23728390 + ... + 23728429.

It is an arithmetic number, because the mean of its divisors is an integer number (166098870).

Almost surely, 2949136380 is an apocalyptic number.

It is an amenable number.

949136380 is an abundant number, since it is smaller than the sum of its proper divisors (1044050060).

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

949136380 is a wasteful number, since it uses less digits than its factorization.

949136380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47456828 (or 47456826 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 949136380 is about 30808.0570630476. The cubic root of 949136380 is about 982.7495946192.

The spelling of 949136380 in words is "nine hundred forty-nine million, one hundred thirty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 47456819 94913638 189827276 237284095 474568190 949136380