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1386980246 = 24714755109
BaseRepresentation
bin101001010101011…
…1010001110010110
310120122211220012202
41102222322032112
510320031331441
6345343444502
746241065121
oct12252721626
93518756182
101386980246
11651a06873
123285b6732
13191470592
14d22c33b8
1581b7219b
hex52aba396

1386980246 has 8 divisors (see below), whose sum is σ = 2124735840. Its totient is φ = 678734968.

The previous prime is 1386980227. The next prime is 1386980263. The reversal of 1386980246 is 6420896831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 1386980246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7377461 + ... + 7377648.

It is an arithmetic number, because the mean of its divisors is an integer number (265591980).

Almost surely, 21386980246 is an apocalyptic number.

1386980246 is a deficient number, since it is larger than the sum of its proper divisors (737755594).

1386980246 is a wasteful number, since it uses less digits than its factorization.

1386980246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14755158.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1386980246 is about 37242.1836900040. The cubic root of 1386980246 is about 1115.2102658013.

The spelling of 1386980246 in words is "one billion, three hundred eighty-six million, nine hundred eighty thousand, two hundred forty-six".

Divisors: 1 2 47 94 14755109 29510218 693490123 1386980246