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3125552430 = 23571113293797
BaseRepresentation
bin1011101001001100…
…0010010100101110
322001211021111220010
42322103002110232
522400120134210
61234051234050
7140311520520
oct27223022456
98054244803
103125552430
111364324890
127328a8926
133aa703810
14219169a10
151345e4920
hexba4c252e

3125552430 has 512 divisors, whose sum is σ = 10810920960. Its totient is φ = 557383680.

The previous prime is 3125552429. The next prime is 3125552431. The reversal of 3125552430 is 342555213.

It is an interprime number because it is at equal distance from previous prime (3125552429) and next prime (3125552431).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125552431) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 32222142 + ... + 32222238.

It is an arithmetic number, because the mean of its divisors is an integer number (21115080).

Almost surely, 23125552430 is an apocalyptic number.

3125552430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125552430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5405460480).

3125552430 is an abundant number, since it is smaller than the sum of its proper divisors (7685368530).

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

3125552430 is a wasteful number, since it uses less digits than its factorization.

3125552430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3125552430 is about 55906.6403032770. The cubic root of 3125552430 is about 1462.0950141701.

It can be divided in two parts, 3125 and 552430, that added together give a palindrome (555555).

The spelling of 3125552430 in words is "three billion, one hundred twenty-five million, five hundred fifty-two thousand, four hundred thirty".