Search a number
-
+
1008471445 = 53715734721
BaseRepresentation
bin111100000111000…
…000110110010101
32121021121122202021
4330013000312111
54031132041240
6244023013141
733663602662
oct7407006625
92537548667
101008471445
1147828a583
1224189a1b1
13130c15087
1497d14a69
155d80654a
hex3c1c0d95

1008471445 has 16 divisors (see below), whose sum is σ = 1250825328. Its totient is φ = 779950080.

The previous prime is 1008471437. The next prime is 1008471449. The reversal of 1008471445 is 5441748001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8520561 + 999950884 = 2919^2 + 31622^2 .

It is not a de Polignac number, because 1008471445 - 23 = 1008471437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1008471445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008471449) 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, 11685 + ... + 46405.

It is an arithmetic number, because the mean of its divisors is an integer number (78176583).

Almost surely, 21008471445 is an apocalyptic number.

It is an amenable number.

1008471445 is a deficient number, since it is larger than the sum of its proper divisors (242353883).

1008471445 is a wasteful number, since it uses less digits than its factorization.

1008471445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34920.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1008471445 is about 31756.4394257291. The cubic root of 1008471445 is about 1002.8158783864.

The spelling of 1008471445 in words is "one billion, eight million, four hundred seventy-one thousand, four hundred forty-five".

Divisors: 1 5 37 157 185 785 5809 29045 34721 173605 1284677 5451197 6423385 27255985 201694289 1008471445