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1049016864 = 25371561037
BaseRepresentation
bin111110100001101…
…011101000100000
32201002220120121110
4332201223220200
54122022014424
6252032023320
734665332130
oct7641535040
92632816543
101049016864
11499162995
12253391b40
1313943cc4c
149d46aac0
1562164c29
hex3e86ba20

1049016864 has 48 divisors (see below), whose sum is σ = 3147052608. Its totient is φ = 299718912.

The previous prime is 1049016833. The next prime is 1049016869. The reversal of 1049016864 is 4686109401.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10490168642 = 2200872761912788992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049016869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779847 + ... + 781190.

It is an arithmetic number, because the mean of its divisors is an integer number (65563596).

Almost surely, 21049016864 is an apocalyptic number.

1049016864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1049016864 is an abundant number, since it is smaller than the sum of its proper divisors (2098035744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1049016864 is a wasteful number, since it uses less digits than its factorization.

1049016864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561057 (or 1561049 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1049016864 is about 32388.5298215279. The cubic root of 1049016864 is about 1016.0790336766.

The spelling of 1049016864 in words is "one billion, forty-nine million, sixteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 1561037 3122074 4683111 6244148 9366222 10927259 12488296 18732444 21854518 24976592 32781777 37464888 43709036 49953184 65563554 74929776 87418072 131127108 149859552 174836144 262254216 349672288 524508432 1049016864