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1493955953 = 72130323399
BaseRepresentation
bin101100100001011…
…1111010101110001
310212010010211021222
41121002333111301
511024423042303
6404124354425
752010262500
oct13102772561
93763124258
101493955953
116a7332246
123583a5a15
131aa687209
141025ac837
158b253938
hex590bf571

1493955953 has 12 divisors (see below), whose sum is σ = 1739275200. Its totient is φ = 1279496232.

The previous prime is 1493955929. The next prime is 1493955973. The reversal of 1493955953 is 3595593941.

It is not a de Polignac number, because 1493955953 - 218 = 1493693809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1493955895 and 1493955904.

It is not an unprimeable number, because it can be changed into a prime (1493955913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52148 + ... + 75546.

It is an arithmetic number, because the mean of its divisors is an integer number (144939600).

Almost surely, 21493955953 is an apocalyptic number.

It is an amenable number.

1493955953 is a deficient number, since it is larger than the sum of its proper divisors (245319247).

1493955953 is a wasteful number, since it uses less digits than its factorization.

1493955953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24716 (or 24709 counting only the distinct ones).

The product of its digits is 3280500, while the sum is 53.

The square root of 1493955953 is about 38651.7263909389. The cubic root of 1493955953 is about 1143.1746825076.

The spelling of 1493955953 in words is "one billion, four hundred ninety-three million, nine hundred fifty-five thousand, nine hundred fifty-three".

Divisors: 1 7 49 1303 9121 23399 63847 163793 1146551 30488897 213422279 1493955953