Search a number
-
+
1374390 = 232515271
BaseRepresentation
bin101001111100010110110
32120211022100
411033202312
5322440030
645242530
714452653
oct5174266
92524270
101374390
11859666
12563446
13391764
1427ac2a
151c2360
hex14f8b6

1374390 has 24 divisors (see below), whose sum is σ = 3573648. Its totient is φ = 366480.

The previous prime is 1374379. The next prime is 1374407. The reversal of 1374390 is 934731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7546 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (148902).

21374390 is an apocalyptic number.

1374390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1374390 is an abundant number, since it is smaller than the sum of its proper divisors (2199258).

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

1374390 is a wasteful number, since it uses less digits than its factorization.

1374390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284 (or 15281 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1374390 is about 1172.3438062275. The cubic root of 1374390 is about 111.1825581221.

It can be divided in two parts, 1374 and 390, that added together give a square (1764 = 422).

The spelling of 1374390 in words is "one million, three hundred seventy-four thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 15271 30542 45813 76355 91626 137439 152710 229065 274878 458130 687195 1374390