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1390962048 = 2737517471
BaseRepresentation
bin101001011101000…
…0110010110000000
310120221100012012220
41102322012112000
510322041241143
6350005051040
746316660640
oct12272062600
93527305186
101390962048
11654186413
123299b6a80
13192235a88
14d2a3c520
15821abd83
hex52e86580

1390962048 has 64 divisors (see below), whose sum is σ = 4222571520. Its totient is φ = 397416960.

The previous prime is 1390962029. The next prime is 1390962059. The reversal of 1390962048 is 8402690931.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256048 + ... + 261423.

It is an arithmetic number, because the mean of its divisors is an integer number (65977680).

Almost surely, 21390962048 is an apocalyptic number.

It is an amenable number.

1390962048 is an abundant number, since it is smaller than the sum of its proper divisors (2831609472).

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

1390962048 is an equidigital number, since it uses as much as digits as its factorization.

1390962048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517495 (or 517483 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1390962048 is about 37295.6036014971. The cubic root of 1390962048 is about 1116.2764438943.

It can be divided in two parts, 13909 and 62048, that added together give a palindrome (75957).

The spelling of 1390962048 in words is "one billion, three hundred ninety million, nine hundred sixty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 517471 1034942 1552413 2069884 3104826 3622297 4139768 6209652 7244594 8279536 10866891 12419304 14489188 16559072 21733782 24838608 28978376 33118144 43467564 49677216 57956752 66236288 86935128 99354432 115913504 173870256 198708864 231827008 347740512 463654016 695481024 1390962048