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1385376 = 25314431
BaseRepresentation
bin101010010001110100000
32121101101020
411102032200
5323313001
645405440
714526666
oct5221640
92541336
101385376
11866943
12569880
13396765
14280c36
151c5736
hex1523a0

1385376 has 24 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 461760.

The previous prime is 1385369. The next prime is 1385383. The reversal of 1385376 is 6735831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1385369) and next prime (1385383).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13853762 = 3838533322752, which contains 22 as substring.

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, 7120 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (151536).

21385376 is an apocalyptic number.

1385376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1385376 is an abundant number, since it is smaller than the sum of its proper divisors (2251488).

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

1385376 is a wasteful number, since it uses less digits than its factorization.

1385376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444 (or 14436 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 1385376 is about 1177.0199658459. The cubic root of 1385376 is about 111.4780131863.

The spelling of 1385376 in words is "one million, three hundred eighty-five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 14431 28862 43293 57724 86586 115448 173172 230896 346344 461792 692688 1385376