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1351372 = 221130713
BaseRepresentation
bin101001001111011001100
32112122201211
411021323030
5321220442
644544204
714325601
oct5117314
92478654
101351372
11843340
12552064
13384139
142726a8
151ba617
hex149ecc

1351372 has 12 divisors (see below), whose sum is σ = 2579976. Its totient is φ = 614240.

The previous prime is 1351327. The next prime is 1351373. The reversal of 1351372 is 2731531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1351373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15313 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (214998).

21351372 is an apocalyptic number.

It is an amenable number.

1351372 is a deficient number, since it is larger than the sum of its proper divisors (1228604).

1351372 is a wasteful number, since it uses less digits than its factorization.

1351372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30728 (or 30726 counting only the distinct ones).

The product of its digits is 630, while the sum is 22.

The square root of 1351372 is about 1162.4852687239. The cubic root of 1351372 is about 110.5583729584.

The spelling of 1351372 in words is "one million, three hundred fifty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 30713 61426 122852 337843 675686 1351372