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75425030 = 2511516553
BaseRepresentation
bin1000111111011…
…10010100000110
312020220222200122
410133232110012
5123302100110
611252341542
71604050022
oct437562406
9166828618
1075425030
1139636a3a
12213148b2
131281abc5
14a035382
15694d255
hex47ee506

75425030 has 16 divisors (see below), whose sum is σ = 135903744. Its totient is φ = 30139200.

The previous prime is 75425023. The next prime is 75425071. The reversal of 75425030 is 3052457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8234 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (8493984).

Almost surely, 275425030 is an apocalyptic number.

75425030 is a deficient number, since it is larger than the sum of its proper divisors (60478714).

75425030 is a wasteful number, since it uses less digits than its factorization.

75425030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 75425030 is about 8684.7584882943. The cubic root of 75425030 is about 422.5114640401.

Adding to 75425030 its reverse (3052457), we get a palindrome (78477487).

The spelling of 75425030 in words is "seventy-five million, four hundred twenty-five thousand, thirty".

Divisors: 1 2 5 10 1151 2302 5755 6553 11510 13106 32765 65530 7542503 15085006 37712515 75425030