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1396927488 = 21031167617
BaseRepresentation
bin101001101000011…
…0110110000000000
310121100120021021010
41103100312300000
510330103134423
6350341000520
746421454615
oct12320666000
93540507233
101396927488
11657590330
1232b9b3140
13193544118
14d375250c
1582989693
hex53436c00

1396927488 has 176 divisors, whose sum is σ = 4129110144. Its totient is φ = 416317440.

The previous prime is 1396927463. The next prime is 1396927507. The reversal of 1396927488 is 8847296931.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263756 + ... + 2264372.

Almost surely, 21396927488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396927488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064555072).

1396927488 is an abundant number, since it is smaller than the sum of its proper divisors (2732182656).

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

1396927488 is a wasteful number, since it uses less digits than its factorization.

1396927488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 700 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 1396927488 is about 37375.4931472482. The cubic root of 1396927488 is about 1117.8699652377.

The spelling of 1396927488 in words is "one billion, three hundred ninety-six million, nine hundred twenty-seven thousand, four hundred eighty-eight".