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1448134380 = 22325711163641
BaseRepresentation
bin101011001010000…
…1100011011101100
310201220220211220200
41112110030123230
510431210300010
6355410313500
750612640060
oct12624143354
93656824820
101448134380
11683485880
12344b88890
131a1032964
14da481aa0
1587201cc0
hex5650c6ec

1448134380 has 288 divisors, whose sum is σ = 5518775808. Its totient is φ = 298598400.

The previous prime is 1448134367. The next prime is 1448134417. The reversal of 1448134380 is 834318441.

1448134380 is a `hidden beast` number, since 1 + 448 + 134 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2258860 + ... + 2259500.

It is an arithmetic number, because the mean of its divisors is an integer number (19162416).

Almost surely, 21448134380 is an apocalyptic number.

1448134380 is a gapful number since it is divisible by the number (10) 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 1448134380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759387904).

1448134380 is an abundant number, since it is smaller than the sum of its proper divisors (4070641428).

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

1448134380 is a wasteful number, since it uses less digits than its factorization.

1448134380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1448134380 is about 38054.3608539153. The cubic root of 1448134380 is about 1131.3655613659.

The spelling of 1448134380 in words is "one billion, four hundred forty-eight million, one hundred thirty-four thousand, three hundred eighty".