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2572223500 = 225371171941
BaseRepresentation
bin1001100101010001…
…0000010000001100
320122021002111022001
42121110100100030
520231442123000
61103123402044
7120512352610
oct23124202014
96567074261
102572223500
1110aaa53650
125b9523324
1331cb99052
141a5891340
15100c4546a
hex9951040c

2572223500 has 192 divisors, whose sum is σ = 7110125568. Its totient is φ = 789600000.

The previous prime is 2572223497. The next prime is 2572223501. The reversal of 2572223500 is 53222752.

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

It is not an unprimeable number, because it can be changed into a prime (2572223501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2733030 + ... + 2733970.

It is an arithmetic number, because the mean of its divisors is an integer number (37031904).

Almost surely, 22572223500 is an apocalyptic number.

2572223500 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 2572223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555062784).

2572223500 is an abundant number, since it is smaller than the sum of its proper divisors (4537902068).

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

2572223500 is a wasteful number, since it uses less digits than its factorization.

2572223500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 2572223500 is about 50717.0927794565. The cubic root of 2572223500 is about 1370.1545814528.

The spelling of 2572223500 in words is "two billion, five hundred seventy-two million, two hundred twenty-three thousand, five hundred".