Search a number
-
+
1900430475 = 35239176469
BaseRepresentation
bin111000101000110…
…0100010010001011
311220102222212111220
41301101210102023
512343002233400
6512324453123
765044251426
oct16121442213
94812885456
101900430475
1189581a5a9
1245054a1a3
13243954798
1414057a9bd
15b1c957a0
hex7146448b

1900430475 has 24 divisors (see below), whose sum is σ = 3143333040. Its totient is φ = 1013147520.

The previous prime is 1900430449. The next prime is 1900430489. The reversal of 1900430475 is 5740340091.

It is not a de Polignac number, because 1900430475 - 27 = 1900430347 is a prime.

It is a super-2 number, since 2×19004304752 = 7223271980617451250, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 290541 + ... + 297009.

It is an arithmetic number, because the mean of its divisors is an integer number (130972210).

Almost surely, 21900430475 is an apocalyptic number.

1900430475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1900430475 is a deficient number, since it is larger than the sum of its proper divisors (1242902565).

1900430475 is a wasteful number, since it uses less digits than its factorization.

1900430475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10394 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1900430475 is about 43593.9270426513. The cubic root of 1900430475 is about 1238.6558611842.

The spelling of 1900430475 in words is "one billion, nine hundred million, four hundred thirty thousand, four hundred seventy-five".

Divisors: 1 3 5 15 25 75 3917 6469 11751 19407 19585 32345 58755 97035 97925 161725 293775 485175 25339073 76017219 126695365 380086095 633476825 1900430475