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2045255212 = 2271113510803
BaseRepresentation
bin111100111101000…
…0001111000101100
312021112111201201001
41321322001320230
513142041131322
6534540530044
7101453245120
oct17172017054
95245451631
102045255212
1195a547570
12490b50924
13267960bb0
141558b9580
15be851827
hex79e81e2c

2045255212 has 48 divisors (see below), whose sum is σ = 4805644032. Its totient is φ = 735554880.

The previous prime is 2045255203. The next prime is 2045255239. The reversal of 2045255212 is 2125525402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251398 + ... + 259405.

It is an arithmetic number, because the mean of its divisors is an integer number (100117584).

Almost surely, 22045255212 is an apocalyptic number.

2045255212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2045255212 is an abundant number, since it is smaller than the sum of its proper divisors (2760388820).

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

2045255212 is a wasteful number, since it uses less digits than its factorization.

2045255212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510838 (or 510836 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2045255212 is about 45224.4979187166. The cubic root of 2045255212 is about 1269.3532598945.

The spelling of 2045255212 in words is "two billion, forty-five million, two hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 510803 1021606 2043212 3575621 5618833 6640439 7151242 11237666 13280878 14302484 22475332 26561756 39331831 46483073 73044829 78663662 92966146 146089658 157327324 185932292 292179316 511313803 1022627606 2045255212