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1497383028 = 223241593973
BaseRepresentation
bin101100101000000…
…0100000001110100
310212100120221100200
41121100010001310
511031312224103
6404330040500
752051355121
oct13120040164
93770527320
101497383028
116a9263039
12359579130
131ab2b707b
14102c21748
158b6ce0a3
hex59404074

1497383028 has 18 divisors (see below), whose sum is σ = 3785051634. Its totient is φ = 499127664.

The previous prime is 1497383021. The next prime is 1497383029. The reversal of 1497383028 is 8203837941.

It can be written as a sum of positive squares in only one way, i.e., 1203534864 + 293848164 = 34692^2 + 17142^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497383021) 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, 20796951 + ... + 20797022.

Almost surely, 21497383028 is an apocalyptic number.

1497383028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1497383028 is an abundant number, since it is smaller than the sum of its proper divisors (2287668606).

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

1497383028 is a wasteful number, since it uses less digits than its factorization.

1497383028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41593983 (or 41593978 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1497383028 is about 38696.0337502437. The cubic root of 1497383028 is about 1144.0481472311.

The spelling of 1497383028 in words is "one billion, four hundred ninety-seven million, three hundred eighty-three thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 41593973 83187946 124781919 166375892 249563838 374345757 499127676 748691514 1497383028