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1053028031 = 11211517561
BaseRepresentation
bin111110110000111…
…110111010111111
32201101110100220012
4332300332322333
54124033344111
6252254013435
735044406366
oct7660767277
92641410805
101053028031
114a0452600
122547a727b
1313a215913
149dbd27dd
15626a848b
hex3ec3eebf

1053028031 has 12 divisors (see below), whose sum is σ = 1158619392. Its totient is φ = 956340000.

The previous prime is 1053028027. The next prime is 1053028033. The reversal of 1053028031 is 1308203501.

It is not a de Polignac number, because 1053028031 - 22 = 1053028027 is a prime.

It is a super-2 number, since 2×10530280312 = 2217736068143473922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053027988 and 1053028006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053028033) 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, 135491 + ... + 143051.

It is an arithmetic number, because the mean of its divisors is an integer number (96551616).

Almost surely, 21053028031 is an apocalyptic number.

1053028031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1053028031 is a deficient number, since it is larger than the sum of its proper divisors (105591361).

1053028031 is a wasteful number, since it uses less digits than its factorization.

1053028031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8723 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1053028031 is about 32450.3933874460. The cubic root of 1053028031 is about 1017.3724602741.

The spelling of 1053028031 in words is "one billion, fifty-three million, twenty-eight thousand, thirty-one".

Divisors: 1 11 121 1151 7561 12661 83171 139271 914881 8702711 95729821 1053028031