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1384069680 = 24355721453
BaseRepresentation
bin101001001111111…
…0011101000110000
310120110101000200000
41102133303220300
510313310212210
6345201230000
746204253400
oct12237635060
93513330600
101384069680
116502a9044
12327632300
13190991856
14d1b66800
1581799ac0
hex527f3a30

1384069680 has 360 divisors, whose sum is σ = 5611172112. Its totient is φ = 316141056.

The previous prime is 1384069667. The next prime is 1384069691. The reversal of 1384069680 is 869604831.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 951834 + ... + 953286.

Almost surely, 21384069680 is an apocalyptic number.

1384069680 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 1384069680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2805586056).

1384069680 is an abundant number, since it is smaller than the sum of its proper divisors (4227102432).

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

1384069680 is a wasteful number, since it uses less digits than its factorization.

1384069680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1384069680 is about 37203.0869686912. The cubic root of 1384069680 is about 1114.4296331438.

The spelling of 1384069680 in words is "one billion, three hundred eighty-four million, sixty-nine thousand, six hundred eighty".