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1030352425 = 521931167419
BaseRepresentation
bin111101011010011…
…110111000101001
32122210210022210221
4331122132320221
54102232234200
6250124010041
734350564634
oct7532367051
92583708727
101030352425
11489675033
12249090921
131356066bb
149abacc1b
15606c991a
hex3d69ee29

1030352425 has 48 divisors (see below), whose sum is σ = 1399910400. Its totient is φ = 749390400.

The previous prime is 1030352423. The next prime is 1030352429. The reversal of 1030352425 is 5242530301.

It is not a de Polignac number, because 1030352425 - 21 = 1030352423 is a prime.

It is a super-2 number, since 2×10303524252 = 2123252239406761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1030352425.

It is not an unprimeable number, because it can be changed into a prime (1030352423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2458866 + ... + 2459284.

It is an arithmetic number, because the mean of its divisors is an integer number (29164800).

Almost surely, 21030352425 is an apocalyptic number.

It is an amenable number.

1030352425 is a deficient number, since it is larger than the sum of its proper divisors (369557975).

1030352425 is a wasteful number, since it uses less digits than its factorization.

1030352425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1030352425 is about 32099.1031806186. The cubic root of 1030352425 is about 1010.0168036285.

Adding to 1030352425 its reverse (5242530301), we get a palindrome (6272882726).

The spelling of 1030352425 in words is "one billion, thirty million, three hundred fifty-two thousand, four hundred twenty-five".

Divisors: 1 5 19 25 31 95 155 167 419 475 589 775 835 2095 2945 3173 4175 5177 7961 10475 12989 14725 15865 25885 39805 64945 69973 79325 98363 129425 199025 246791 324725 349865 491815 1233955 1329487 1749325 2169163 2459075 6169775 6647435 10845815 33237175 41214097 54229075 206070485 1030352425