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2550530280 = 233529732911
BaseRepresentation
bin1001100000000110…
…0000000011101000
320120202021100210110
42120001200003220
520210413432110
61101030414320
7120130102224
oct23001400350
96522240713
102550530280
111099787171
125b22013a0
1331854201c
141a2a45784
15eddaca20
hex980600e8

2550530280 has 64 divisors (see below), whose sum is σ = 7915449600. Its totient is φ = 656687360.

The previous prime is 2550530273. The next prime is 2550530291. The reversal of 2550530280 is 820350552.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 362976 + ... + 369935.

It is an arithmetic number, because the mean of its divisors is an integer number (123678900).

Almost surely, 22550530280 is an apocalyptic number.

2550530280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550530280 is an abundant number, since it is smaller than the sum of its proper divisors (5364919320).

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

2550530280 is a wasteful number, since it uses less digits than its factorization.

2550530280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732954 (or 732950 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2550530280 is about 50502.7749732626. The cubic root of 2550530280 is about 1366.2919030594.

The spelling of 2550530280 in words is "two billion, five hundred fifty million, five hundred thirty thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 580 696 870 1160 1740 3480 732911 1465822 2198733 2931644 3664555 4397466 5863288 7329110 8794932 10993665 14658220 17589864 21254419 21987330 29316440 42508838 43974660 63763257 85017676 87949320 106272095 127526514 170035352 212544190 255053028 318816285 425088380 510106056 637632570 850176760 1275265140 2550530280