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1390503216 = 24337782941
BaseRepresentation
bin101001011100001…
…0110010100110000
310120220110212211010
41102320112110300
510321432100331
6345551150520
746313040144
oct12270262460
93526425733
101390503216
116539a2713
12329815440
13192104c8b
14d295d224
158211ae46
hex52e16530

1390503216 has 40 divisors (see below), whose sum is σ = 3689222704. Its totient is φ = 450973440.

The previous prime is 1390503211. The next prime is 1390503251. The reversal of 1390503216 is 6123050931.

It is not an unprimeable number, because it can be changed into a prime (1390503211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389695 + ... + 393246.

Almost surely, 21390503216 is an apocalyptic number.

1390503216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1390503216 is an abundant number, since it is smaller than the sum of its proper divisors (2298719488).

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

1390503216 is a wasteful number, since it uses less digits than its factorization.

1390503216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782989 (or 782983 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1390503216 is about 37289.4518061073. The cubic root of 1390503216 is about 1116.1536896031.

The spelling of 1390503216 in words is "one billion, three hundred ninety million, five hundred three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 782941 1565882 2348823 3131764 4697646 6263528 9395292 12527056 18790584 28968817 37581168 57937634 86906451 115875268 173812902 231750536 347625804 463501072 695251608 1390503216