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1031429427 = 37313742821
BaseRepresentation
bin111101011110100…
…101110100110011
32122212211001011220
4331132211310303
54103021220202
6250203040123
734363001610
oct7536456463
92585731156
101031429427
1148a240216
12249510043
131358c2992
149adad507
156083dabc
hex3d7a5d33

1031429427 has 32 divisors (see below), whose sum is σ = 1666289664. Its totient is φ = 554947200.

The previous prime is 1031429407. The next prime is 1031429437. The reversal of 1031429427 is 7249241301.

It is not a de Polignac number, because 1031429427 - 26 = 1031429363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031429407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2677 + ... + 45497.

It is an arithmetic number, because the mean of its divisors is an integer number (52071552).

Almost surely, 21031429427 is an apocalyptic number.

1031429427 is a deficient number, since it is larger than the sum of its proper divisors (634860237).

1031429427 is a wasteful number, since it uses less digits than its factorization.

1031429427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42899.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1031429427 is about 32115.8749997567. The cubic root of 1031429427 is about 1010.3685963090.

The spelling of 1031429427 in words is "one billion, thirty-one million, four hundred twenty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 7 21 31 37 93 111 217 259 651 777 1147 3441 8029 24087 42821 128463 299747 899241 1327451 1584377 3982353 4753131 9292157 11090639 27876471 33271917 49115687 147347061 343809809 1031429427