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1372500047 = 3360140847
BaseRepresentation
bin101000111001110…
…1011000001001111
310112122121020010002
41101303223001033
510302330000142
6344105234515
746004025602
oct12163530117
93478536102
101372500047
11644816666
12323792a3b
1318b470709
14d03d4339
1580761a32
hex51ceb04f

1372500047 has 4 divisors (see below), whose sum is σ = 1372574496. Its totient is φ = 1372425600.

The previous prime is 1372500037. The next prime is 1372500053. The reversal of 1372500047 is 7400052731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1372500047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372499992 and 1372500019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372500037) 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, 13178 + ... + 54024.

It is an arithmetic number, because the mean of its divisors is an integer number (343143624).

Almost surely, 21372500047 is an apocalyptic number.

1372500047 is a deficient number, since it is larger than the sum of its proper divisors (74449).

1372500047 is an equidigital number, since it uses as much as digits as its factorization.

1372500047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74448.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 1372500047 is about 37047.2677400102. The cubic root of 1372500047 is about 1111.3157157517.

Adding to 1372500047 its reverse (7400052731), we get a palindrome (8772552778).

The spelling of 1372500047 in words is "one billion, three hundred seventy-two million, five hundred thousand, forty-seven".

Divisors: 1 33601 40847 1372500047