Search a number
-
+
1530398235 = 35313291179
BaseRepresentation
bin101101100111000…
…0000011000011011
310221122201021201010
41123032000120123
511113240220420
6411505425003
752632112302
oct13316003033
93848637633
101530398235
11715962933
1236863b163
131b50a65b2
14107377439
158e5514e0
hex5b38061b

1530398235 has 16 divisors (see below), whose sum is σ = 2527626240. Its totient is φ = 789882720.

The previous prime is 1530398213. The next prime is 1530398279. The reversal of 1530398235 is 5328930351.

It is not a de Polignac number, because 1530398235 - 25 = 1530398203 is a prime.

It is a super-2 number, since 2×15303982352 = 4684237515382230450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1530398193 and 1530398202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645125 + ... + 1646054.

It is an arithmetic number, because the mean of its divisors is an integer number (157976640).

Almost surely, 21530398235 is an apocalyptic number.

1530398235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1530398235 is a deficient number, since it is larger than the sum of its proper divisors (997228005).

1530398235 is a wasteful number, since it uses less digits than its factorization.

1530398235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291218.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 1530398235 is about 39120.3046383844. The cubic root of 1530398235 is about 1152.3953186401.

The spelling of 1530398235 in words is "one billion, five hundred thirty million, three hundred ninety-eight thousand, two hundred thirty-five".

Divisors: 1 3 5 15 31 93 155 465 3291179 9873537 16455895 49367685 102026549 306079647 510132745 1530398235