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1386022812 = 2233724112953
BaseRepresentation
bin101001010011101…
…0000011110011100
310120121001020212020
41102213100132130
510314310212222
6345311140140
746226666556
oct12247203634
93517036766
101386022812
116514124a9
12328214650
131911c6855
14d21144d6
1581a3365c
hex529d079c

1386022812 has 48 divisors (see below), whose sum is σ = 3335499552. Its totient is φ = 447621120.

The previous prime is 1386022789. The next prime is 1386022817. The reversal of 1386022812 is 2182206831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386022817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100528 + ... + 113480.

It is an arithmetic number, because the mean of its divisors is an integer number (69489574).

Almost surely, 21386022812 is an apocalyptic number.

1386022812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1386022812 is an abundant number, since it is smaller than the sum of its proper divisors (1949476740).

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

1386022812 is a wasteful number, since it uses less digits than its factorization.

1386022812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13236 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1386022812 is about 37229.3273106029. The cubic root of 1386022812 is about 1114.9535964387.

The spelling of 1386022812 in words is "one billion, three hundred eighty-six million, twenty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 241 444 482 723 964 1446 2892 8917 12953 17834 25906 26751 35668 38859 51812 53502 77718 107004 155436 479261 958522 1437783 1917044 2875566 3121673 5751132 6243346 9365019 12486692 18730038 37460076 115501901 231003802 346505703 462007604 693011406 1386022812