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1362990 = 23545433
BaseRepresentation
bin101001100110000101110
32120020200010
411030300232
5322103430
645114050
714404506
oct5146056
92506603
101362990
11851042
12558926
13389505
14276a06
151bdcb0
hex14cc2e

1362990 has 16 divisors (see below), whose sum is σ = 3271248. Its totient is φ = 363456.

The previous prime is 1362989. The next prime is 1362997. The reversal of 1362990 is 992631.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 45433 = 1362990 / (1 + 3 + 6 + 2 + 9 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22687 + ... + 22746.

It is an arithmetic number, because the mean of its divisors is an integer number (204453).

21362990 is an apocalyptic number.

1362990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1362990 is an abundant number, since it is smaller than the sum of its proper divisors (1908258).

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

1362990 is a wasteful number, since it uses less digits than its factorization.

1362990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45443.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1362990 is about 1167.4716270642. The cubic root of 1362990 is about 110.8742997159.

The spelling of 1362990 in words is "one million, three hundred sixty-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 45433 90866 136299 227165 272598 454330 681495 1362990