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1053646412 = 227213616779
BaseRepresentation
bin111110110011010…
…101111001001100
32201102121210011012
4332303111321030
54124213141122
6252315144352
735052563300
oct7663257114
92642553135
101053646412
114a0835165
12254a450b8
1313a3a1220
149dd13d00
156277b7e2
hex3ecd5e4c

1053646412 has 72 divisors (see below), whose sum is σ = 2348130960. Its totient is φ = 409933440.

The previous prime is 1053646403. The next prime is 1053646427. The reversal of 1053646412 is 2146463501.

It is a super-2 number, since 2×10536464122 = 2220341523040947488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152039 + ... + 158817.

It is an arithmetic number, because the mean of its divisors is an integer number (32612930).

Almost surely, 21053646412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053646412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174065480).

1053646412 is an abundant number, since it is smaller than the sum of its proper divisors (1294484548).

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

1053646412 is a wasteful number, since it uses less digits than its factorization.

1053646412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871 (or 6862 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1053646412 is about 32459.9200861616. The cubic root of 1053646412 is about 1017.5715688359.

The spelling of 1053646412 in words is "one billion, fifty-three million, six hundred forty-six thousand, four hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 49 52 61 91 98 122 182 196 244 364 427 637 793 854 1274 1586 1708 2548 2989 3172 5551 5978 6779 11102 11956 13558 22204 27116 38857 47453 77714 88127 94906 155428 176254 189812 332171 352508 413519 616889 664342 827038 1233778 1328684 1654076 2467556 2894633 4318223 5375747 5789266 8636446 10751494 11578532 17272892 20262431 21502988 37630229 40524862 75260458 81049724 150520916 263411603 526823206 1053646412