Search a number
-
+
5451903040 = 26531549587
BaseRepresentation
bin1010001001111010…
…10111000001000000
3112001221201100222211
411010331113001000
542131141344130
62300553111504
7252050261023
oct50475270100
915057640884
105451903040
1123485034a1
1210819b8594
1368b67383c
1439a0d71ba
1521d96da2a
hex144f57040

5451903040 has 56 divisors (see below), whose sum is σ = 13401153792. Its totient is φ = 2110410240.

The previous prime is 5451903013. The next prime is 5451903059. The reversal of 5451903040 is 403091545.

It is a super-2 number, since 2×54519030402 = 59446493515122483200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 5451902993 and 5451903011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264874 + ... + 284713.

Almost surely, 25451903040 is an apocalyptic number.

It is an amenable number.

5451903040 is an abundant number, since it is smaller than the sum of its proper divisors (7949250752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5451903040 is a wasteful number, since it uses less digits than its factorization.

5451903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549635 (or 549625 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5451903040 is about 73837.0031894578. The cubic root of 5451903040 is about 1760.0136706927.

Adding to 5451903040 its reverse (403091545), we get a palindrome (5854994585).

The spelling of 5451903040 in words is "five billion, four hundred fifty-one million, nine hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 620 992 1240 1984 2480 4960 9920 549587 1099174 2198348 2747935 4396696 5495870 8793392 10991740 17037197 17586784 21983480 34074394 35173568 43966960 68148788 85185985 87933920 136297576 170371970 175867840 272595152 340743940 545190304 681487880 1090380608 1362975760 2725951520 5451903040