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61425002 = 230712501
BaseRepresentation
bin1110101001010…
…0010101101010
311021120201021002
43222110111222
5111211100002
610032315002
71344050432
oct352242552
9137521232
1061425002
1131744571
12186a2a62
13c958772
14822d2c2
1555d5002
hex3a9456a

61425002 has 4 divisors (see below), whose sum is σ = 92137506. Its totient is φ = 30712500.

The previous prime is 61424953. The next prime is 61425017. The reversal of 61425002 is 20052416.

It is a happy number.

61425002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 6056521 = 7441^2 + 2461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15356249 + ... + 15356252.

Almost surely, 261425002 is an apocalyptic number.

61425002 is a deficient number, since it is larger than the sum of its proper divisors (30712504).

61425002 is a wasteful number, since it uses less digits than its factorization.

61425002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30712503.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 61425002 is about 7837.4104141610. The cubic root of 61425002 is about 394.5618214252.

Adding to 61425002 its reverse (20052416), we get a palindrome (81477418).

The spelling of 61425002 in words is "sixty-one million, four hundred twenty-five thousand, two".

Divisors: 1 2 30712501 61425002