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1407161332 = 2217181114329
BaseRepresentation
bin101001111011111…
…1001001111110100
310122001211012110101
41103313321033310
510340213130312
6351344203444
746604450113
oct12367711764
93561735411
101407161332
11662340155
12333309584
131956b8255
14d4c57c7a
158380ba57
hex53df93f4

1407161332 has 24 divisors (see below), whose sum is σ = 2621815560. Its totient is φ = 658529280.

The previous prime is 1407161323. The next prime is 1407161363. The reversal of 1407161332 is 2331617041.

It can be written as a sum of positive squares in 4 ways, for example, as 117202276 + 1289959056 = 10826^2 + 35916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1407161332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44857 + ... + 69472.

It is an arithmetic number, because the mean of its divisors is an integer number (109242315).

Almost surely, 21407161332 is an apocalyptic number.

It is an amenable number.

1407161332 is a deficient number, since it is larger than the sum of its proper divisors (1214654228).

1407161332 is a wasteful number, since it uses less digits than its factorization.

1407161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114531 (or 114529 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1407161332 is about 37512.1491253167. The cubic root of 1407161332 is about 1120.5931520102.

Adding to 1407161332 its reverse (2331617041), we get a palindrome (3738778373).

The spelling of 1407161332 in words is "one billion, four hundred seven million, one hundred sixty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 181 362 724 3077 6154 12308 114329 228658 457316 1943593 3887186 7774372 20693549 41387098 82774196 351790333 703580666 1407161332