Search a number
-
+
1025013955 = 5729286113
BaseRepresentation
bin111101000110000…
…111100011000011
32122102202002210211
4331012013203003
54044400421310
6245413334551
734254321610
oct7506074303
92572662724
101025013955
11486659179
12247337457
13134487844
149a1bd507
155eec2c8a
hex3d1878c3

1025013955 has 8 divisors (see below), whose sum is σ = 1405733472. Its totient is φ = 702866688.

The previous prime is 1025013949. The next prime is 1025013967. The reversal of 1025013955 is 5593105201.

1025013955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025013955 - 23 = 1025013947 is a prime.

It is a super-3 number, since 3×10250139553 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14643022 + ... + 14643091.

It is an arithmetic number, because the mean of its divisors is an integer number (175716684).

Almost surely, 21025013955 is an apocalyptic number.

1025013955 is a deficient number, since it is larger than the sum of its proper divisors (380719517).

1025013955 is an equidigital number, since it uses as much as digits as its factorization.

1025013955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29286125.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 1025013955 is about 32015.8391269072. The cubic root of 1025013955 is about 1008.2694133072.

The spelling of 1025013955 in words is "one billion, twenty-five million, thirteen thousand, nine hundred fifty-five".

Divisors: 1 5 7 35 29286113 146430565 205002791 1025013955