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525040002 = 23317571939
BaseRepresentation
bin11111010010110…
…111100110000010
31100120221210111000
4133102313212002
52033402240002
6124033232430
716003523604
oct3722674602
91316853430
10525040002
1124a40a363
12127a02716
1384a11576
144da33174
153116261c
hex1f4b7982

525040002 has 32 divisors (see below), whose sum is σ = 1235390400. Its totient is φ = 164718144.

The previous prime is 525040001. The next prime is 525040031. The reversal of 525040002 is 200040525.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (525040001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285052 + ... + 286887.

It is an arithmetic number, because the mean of its divisors is an integer number (38605950).

Almost surely, 2525040002 is an apocalyptic number.

525040002 is an abundant number, since it is smaller than the sum of its proper divisors (710350398).

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

525040002 is a wasteful number, since it uses less digits than its factorization.

525040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571967 (or 571961 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 525040002 is about 22913.7513733566. The cubic root of 525040002 is about 806.7348114991.

Adding to 525040002 its reverse (200040525), we get a palindrome (725080527).

The spelling of 525040002 in words is "five hundred twenty-five million, forty thousand, two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 571939 1143878 1715817 3431634 5147451 9722963 10294902 15442353 19445926 29168889 30884706 58337778 87506667 175013334 262520001 525040002