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1393101 = 32154789
BaseRepresentation
bin101010100000111001101
32121202222100
411110013031
5324034401
645505313
714561343
oct5240715
92552870
101393101
11871726
12572239
1339a128
14283993
151c7b86
hex1541cd

1393101 has 6 divisors (see below), whose sum is σ = 2012270. Its totient is φ = 928728.

The previous prime is 1393097. The next prime is 1393103. The reversal of 1393101 is 1013931.

It can be written as a sum of positive squares in only one way, i.e., 1320201 + 72900 = 1149^2 + 270^2 .

It is not a de Polignac number, because 1393101 - 22 = 1393097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77386 + ... + 77403.

21393101 is an apocalyptic number.

It is an amenable number.

1393101 is a deficient number, since it is larger than the sum of its proper divisors (619169).

1393101 is a wasteful number, since it uses less digits than its factorization.

1393101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154795 (or 154792 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1393101 is about 1180.2969965225. The cubic root of 1393101 is about 111.6848335582.

It can be divided in two parts, 139 and 3101, that added together give a triangular number (3240 = T80).

The spelling of 1393101 in words is "one million, three hundred ninety-three thousand, one hundred one".

Divisors: 1 3 9 154789 464367 1393101