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1054357903 = 4007263129
BaseRepresentation
bin111110110110000…
…011100110001111
32201110221221010201
4332312003212033
54124403423103
6252342314331
735061615514
oct7666034617
92643857121
101054357903
114a1180775
122551289a7
1313a590021
14a005b30b
156286c51d
hex3ed8398f

1054357903 has 4 divisors (see below), whose sum is σ = 1054625040. Its totient is φ = 1054090768.

The previous prime is 1054357897. The next prime is 1054357921. The reversal of 1054357903 is 3097534501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3097534501 = 4240773043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1054357903 is a prime.

It is a super-2 number, since 2×10543579032 = 2223341175237114818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054357933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127558 + ... + 135571.

It is an arithmetic number, because the mean of its divisors is an integer number (263656260).

Almost surely, 21054357903 is an apocalyptic number.

1054357903 is a deficient number, since it is larger than the sum of its proper divisors (267137).

1054357903 is an equidigital number, since it uses as much as digits as its factorization.

1054357903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267136.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 1054357903 is about 32470.8777676243. The cubic root of 1054357903 is about 1017.8005609353.

The spelling of 1054357903 in words is "one billion, fifty-four million, three hundred fifty-seven thousand, nine hundred three".

Divisors: 1 4007 263129 1054357903