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4247911940 = 225212395597
BaseRepresentation
bin1111110100110001…
…1111111000000100
3101222001012021200212
43331030133320010
532144431140230
61541303254552
7210160440626
oct37514377004
911861167625
104247911940
11188a921128
129a674a458
135290b287c
142c4248c16
1519cde5895
hexfd31fe04

4247911940 has 12 divisors (see below), whose sum is σ = 8920615116. Its totient is φ = 1699164768.

The previous prime is 4247911939. The next prime is 4247911973. The reversal of 4247911940 is 491197424.

It can be written as a sum of positive squares in 2 ways, for example, as 2668962244 + 1578949696 = 51662^2 + 39736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106197779 + ... + 106197818.

It is an arithmetic number, because the mean of its divisors is an integer number (743384593).

Almost surely, 24247911940 is an apocalyptic number.

It is an amenable number.

4247911940 is an abundant number, since it is smaller than the sum of its proper divisors (4672703176).

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

4247911940 is a wasteful number, since it uses less digits than its factorization.

4247911940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212395606 (or 212395604 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4247911940 is about 65176.0073953598. The cubic root of 4247911940 is about 1619.5405825235.

The spelling of 4247911940 in words is "four billion, two hundred forty-seven million, nine hundred eleven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 212395597 424791194 849582388 1061977985 2123955970 4247911940