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1376992 = 25371163
BaseRepresentation
bin101010000001011100000
32120221212201
411100023200
5323030432
645302544
714463361
oct5201340
92527781
101376992
11860611
12564a54
133929b6
1427bb68
151c2ee7
hex1502e0

1376992 has 24 divisors (see below), whose sum is σ = 2786616. Its totient is φ = 669312.

The previous prime is 1376981. The next prime is 1377023. The reversal of 1376992 is 2996731.

It is a super-2 number, since 2×13769922 = 3792213936128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (116109).

21376992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393308).

1376992 is an abundant number, since it is smaller than the sum of its proper divisors (1409624).

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

1376992 is a wasteful number, since it uses less digits than its factorization.

1376992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1202 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 1376992 is about 1173.4530241982. The cubic root of 1376992 is about 111.2526776278.

It can be divided in two parts, 13769 and 92, that added together give a triangular number (13861 = T166).

The spelling of 1376992 in words is "one million, three hundred seventy-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1163 1184 2326 4652 9304 18608 37216 43031 86062 172124 344248 688496 1376992