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1339392 = 2123109
BaseRepresentation
bin101000111000000000000
32112001022010
411013000000
5320330032
644412520
714245635
oct5070000
92461263
101339392
1183533a
12547140
1337b852
1426c18c
151b6ccc
hex147000

1339392 has 52 divisors (see below), whose sum is σ = 3604040. Its totient is φ = 442368.

The previous prime is 1339391. The next prime is 1339399. The reversal of 1339392 is 2939331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12234 + ... + 12342.

21339392 is an apocalyptic number.

1339392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1339392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802020).

1339392 is an abundant number, since it is smaller than the sum of its proper divisors (2264648).

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

1339392 is an equidigital number, since it uses as much as digits as its factorization.

1339392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 114 counting only the distinct ones).

The product of its digits is 4374, while the sum is 30.

The square root of 1339392 is about 1157.3210444816. The cubic root of 1339392 is about 110.2307003923.

The spelling of 1339392 in words is "one million, three hundred thirty-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 109 128 192 218 256 327 384 436 512 654 768 872 1024 1308 1536 1744 2048 2616 3072 3488 4096 5232 6144 6976 10464 12288 13952 20928 27904 41856 55808 83712 111616 167424 223232 334848 446464 669696 1339392