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1373930 = 25137393
BaseRepresentation
bin101001111011011101010
32120210200022
411033123222
5322431210
645240442
714451425
oct5173352
92523608
101373930
11859288
12563122
1339149c
1427a9bc
151c2155
hex14f6ea

1373930 has 8 divisors (see below), whose sum is σ = 2473092. Its totient is φ = 549568.

The previous prime is 1373891. The next prime is 1373959. The reversal of 1373930 is 393731.

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 44521 = 1153^2 + 211^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68687 + ... + 68706.

21373930 is an apocalyptic number.

1373930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373930 is a deficient number, since it is larger than the sum of its proper divisors (1099162).

1373930 is a wasteful number, since it uses less digits than its factorization.

1373930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137400.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 1373930 is about 1172.1476016270. The cubic root of 1373930 is about 111.1701526953.

The spelling of 1373930 in words is "one million, three hundred seventy-three thousand, nine hundred thirty".

Divisors: 1 2 5 10 137393 274786 686965 1373930