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1390125248 = 2621720707
BaseRepresentation
bin101001011011011…
…1010000011000000
310120212202200100022
41102312322003000
510321333001443
6345535113012
746306604201
oct12266720300
93525680308
101390125248
11653764746
12329672768
13192001c25
14d28a15a8
1582093e68
hex52dba0c0

1390125248 has 14 divisors (see below), whose sum is σ = 2758529916. Its totient is φ = 695062592.

The previous prime is 1390125229. The next prime is 1390125293. The reversal of 1390125248 is 8425210931.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10860290 + ... + 10860417.

Almost surely, 21390125248 is an apocalyptic number.

It is an amenable number.

1390125248 is a deficient number, since it is larger than the sum of its proper divisors (1368404668).

1390125248 is an equidigital number, since it uses as much as digits as its factorization.

1390125248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21720719 (or 21720709 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1390125248 is about 37284.3834332821. The cubic root of 1390125248 is about 1116.0525490944.

The spelling of 1390125248 in words is "one billion, three hundred ninety million, one hundred twenty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 21720707 43441414 86882828 173765656 347531312 695062624 1390125248