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1950040025 = 52671164203
BaseRepresentation
bin111010000111011…
…0011111111011001
312000220100022000122
41310032303333121
512443202240100
6521300043025
766216031613
oct16416637731
95026308018
101950040025
11910823a2a
12465093475
1325100424b
14146db1db3
15b62e4985
hex743b3fd9

1950040025 has 12 divisors (see below), whose sum is σ = 2454142032. Its totient is φ = 1536746640.

The previous prime is 1950040019. The next prime is 1950040031. The reversal of 1950040025 is 5200400591.

It is an interprime number because it is at equal distance from previous prime (1950040019) and next prime (1950040031).

It is a de Polignac number, because none of the positive numbers 2k-1950040025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1950039976 and 1950040003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580427 + ... + 583776.

It is an arithmetic number, because the mean of its divisors is an integer number (204511836).

Almost surely, 21950040025 is an apocalyptic number.

It is an amenable number.

1950040025 is a deficient number, since it is larger than the sum of its proper divisors (504102007).

1950040025 is a wasteful number, since it uses less digits than its factorization.

1950040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164280 (or 1164275 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1950040025 is about 44159.2575231967. The cubic root of 1950040025 is about 1249.3415251896.

The spelling of 1950040025 in words is "one billion, nine hundred fifty million, forty thousand, twenty-five".

Divisors: 1 5 25 67 335 1675 1164203 5821015 29105075 78001601 390008005 1950040025