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2528767960 = 235313755117
BaseRepresentation
bin1001011010111001…
…1110111111011000
320112020022201111121
42112232132333120
520134331033320
61054532135024
7116444113225
oct22656367730
96466281447
102528767960
111088472884
125a6a67474
13313b92704
1419dbbc94c
15ec00e8aa
hex96b9efd8

2528767960 has 64 divisors (see below), whose sum is σ = 6032113920. Its totient is φ = 952404480.

The previous prime is 2528767939. The next prime is 2528767973. The reversal of 2528767960 is 697678252.

It is a junction number, because it is equal to n+sod(n) for n = 2528767898 and 2528767907.

It is a congruent number.

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, 18322 + ... + 73438.

It is an arithmetic number, because the mean of its divisors is an integer number (94251780).

Almost surely, 22528767960 is an apocalyptic number.

2528767960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528767960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016056960).

2528767960 is an abundant number, since it is smaller than the sum of its proper divisors (3503345960).

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

2528767960 is a wasteful number, since it uses less digits than its factorization.

2528767960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55196 (or 55192 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 2528767960 is about 50286.8567321522. The cubic root of 2528767960 is about 1362.3948504551.

The spelling of 2528767960 in words is "two billion, five hundred twenty-eight million, seven hundred sixty-seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 31 37 40 62 74 124 148 155 185 248 296 310 370 620 740 1147 1240 1480 2294 4588 5735 9176 11470 22940 45880 55117 110234 220468 275585 440936 551170 1102340 1708627 2039329 2204680 3417254 4078658 6834508 8157316 8543135 10196645 13669016 16314632 17086270 20393290 34172540 40786580 63219199 68345080 81573160 126438398 252876796 316095995 505753592 632191990 1264383980 2528767960