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1241886492 = 22367115531
BaseRepresentation
bin100101000000101…
…1010111100011100
310012112211101000000
41022001122330130
510020410331432
6323121534300
742526601220
oct11201327434
93175741000
101241886492
11588015780
122a7aa4390
1316a39b8a2
14bad14780
157406157c
hex4a05af1c

1241886492 has 168 divisors, whose sum is σ = 4063231872. Its totient is φ = 322509600.

The previous prime is 1241886467. The next prime is 1241886511. The reversal of 1241886492 is 2946881421.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 221767 + ... + 227297.

It is an arithmetic number, because the mean of its divisors is an integer number (24185904).

Almost surely, 21241886492 is an apocalyptic number.

1241886492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241886492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031615936).

1241886492 is an abundant number, since it is smaller than the sum of its proper divisors (2821345380).

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

1241886492 is a wasteful number, since it uses less digits than its factorization.

1241886492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5554 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1241886492 is about 35240.4099295113. The cubic root of 1241886492 is about 1074.8816143653.

The spelling of 1241886492 in words is "one billion, two hundred forty-one million, eight hundred eighty-six thousand, four hundred ninety-two".