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1047494448 = 243271113343
BaseRepresentation
bin111110011011110…
…111111100110000
32201000001020020200
4332123313330300
54121124310243
6251535235200
734646361450
oct7633677460
92630036220
101047494448
114983130a0
12252978b00
13139029000
149d191d60
1561e63ad3
hex3e6f7f30

1047494448 has 480 divisors, whose sum is σ = 4051407360. Its totient is φ = 245306880.

The previous prime is 1047494443. The next prime is 1047494449. The reversal of 1047494448 is 8444947401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047494443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24360315 + ... + 24360357.

It is an arithmetic number, because the mean of its divisors is an integer number (8440432).

Almost surely, 21047494448 is an apocalyptic number.

1047494448 is a gapful number since it is divisible by the number (18) 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 1047494448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025703680).

1047494448 is an abundant number, since it is smaller than the sum of its proper divisors (3003912912).

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

1047494448 is a wasteful number, since it uses less digits than its factorization.

1047494448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 1047494448 is about 32365.0188938613. The cubic root of 1047494448 is about 1015.5872576908.

The spelling of 1047494448 in words is "one billion, forty-seven million, four hundred ninety-four thousand, four hundred forty-eight".