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276423001 = 1931215139
BaseRepresentation
bin10000011110011…
…110000101011001
3201021010202001221
4100132132011121
51031231014001
643232412041
76564361651
oct2036360531
9637122057
10276423001
11132040768
12786a7021
134536450a
14289d7361
15194031a1
hex1079e159

276423001 has 12 divisors (see below), whose sum is σ = 300680400. Its totient is φ = 253410120.

The previous prime is 276422989. The next prime is 276423023. The reversal of 276423001 is 100324672.

It is a de Polignac number, because none of the positive numbers 2k-276423001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276423071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10690 + ... + 25828.

It is an arithmetic number, because the mean of its divisors is an integer number (25056700).

Almost surely, 2276423001 is an apocalyptic number.

It is an amenable number.

276423001 is a deficient number, since it is larger than the sum of its proper divisors (24257399).

276423001 is a wasteful number, since it uses less digits than its factorization.

276423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220 (or 15189 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 276423001 is about 16625.9736857725. The cubic root of 276423001 is about 651.4154566508.

Adding to 276423001 its reverse (100324672), we get a palindrome (376747673).

The spelling of 276423001 in words is "two hundred seventy-six million, four hundred twenty-three thousand, one".

Divisors: 1 19 31 589 961 15139 18259 287641 469309 8916871 14548579 276423001