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1372374445 = 51334960497
BaseRepresentation
bin101000111001100…
…1100010110101101
310112122100211211011
41101303030112231
510302311440240
6344102425221
746002663451
oct12163142655
93478324734
101372374445
11644740262
12323732211
1318b4284b0
14d03a0661
15807396ea
hex51ccc5ad

1372374445 has 16 divisors (see below), whose sum is σ = 1778641200. Its totient is φ = 1010525184.

The previous prime is 1372374431. The next prime is 1372374449. The reversal of 1372374445 is 5444732731.

It can be written as a sum of positive squares in 8 ways, for example, as 20268004 + 1352106441 = 4502^2 + 36771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372374445 - 229 = 835503533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1372374398 and 1372374407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372374449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7564 + ... + 52933.

It is an arithmetic number, because the mean of its divisors is an integer number (111165075).

Almost surely, 21372374445 is an apocalyptic number.

It is an amenable number.

1372374445 is a deficient number, since it is larger than the sum of its proper divisors (406266755).

1372374445 is a wasteful number, since it uses less digits than its factorization.

1372374445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60864.

The product of its digits is 282240, while the sum is 40.

The square root of 1372374445 is about 37045.5725424780. The cubic root of 1372374445 is about 1111.2818146637.

The spelling of 1372374445 in words is "one billion, three hundred seventy-two million, three hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 5 13 65 349 1745 4537 22685 60497 302485 786461 3932305 21113453 105567265 274474889 1372374445