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1400523103 = 7200074729
BaseRepresentation
bin101001101111010…
…0100100101011111
310121121022221112001
41103132210211133
510332013214403
6350550023131
746464151510
oct12336444537
93547287461
101400523103
11659616811
12331047aa7
131942028c5
14d400aa07
1582e49c1d
hex537a495f

1400523103 has 4 divisors (see below), whose sum is σ = 1600597840. Its totient is φ = 1200448368.

The previous prime is 1400523101. The next prime is 1400523109. The reversal of 1400523103 is 3013250041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013250041 = 4764111703.

It is not a de Polignac number, because 1400523103 - 21 = 1400523101 is a prime.

It is a super-2 number, since 2×14005231032 = 3922929924073497218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400523101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100037358 + ... + 100037371.

It is an arithmetic number, because the mean of its divisors is an integer number (400149460).

Almost surely, 21400523103 is an apocalyptic number.

1400523103 is a deficient number, since it is larger than the sum of its proper divisors (200074737).

1400523103 is an equidigital number, since it uses as much as digits as its factorization.

1400523103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200074736.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1400523103 is about 37423.5634727641. The cubic root of 1400523103 is about 1118.8282555748.

Adding to 1400523103 its reverse (3013250041), we get a palindrome (4413773144).

The spelling of 1400523103 in words is "one billion, four hundred million, five hundred twenty-three thousand, one hundred three".

Divisors: 1 7 200074729 1400523103