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70925461 = 193732919
BaseRepresentation
bin1000011101000…
…11110010010101
311221110101102221
410032203302111
5121124103321
611012102341
71520566525
oct416436225
9157411387
1070925461
1137043392
121b9049b1
1311903b39
1495c3685
15635ee41
hex43a3c95

70925461 has 4 divisors (see below), whose sum is σ = 74658400. Its totient is φ = 67192524.

The previous prime is 70925443. The next prime is 70925471. The reversal of 70925461 is 16452907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16452907 = 34947143.

It is a cyclic number.

It is not a de Polignac number, because 70925461 - 29 = 70924949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70925431) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1866441 + ... + 1866478.

It is an arithmetic number, because the mean of its divisors is an integer number (18664600).

Almost surely, 270925461 is an apocalyptic number.

It is an amenable number.

70925461 is a deficient number, since it is larger than the sum of its proper divisors (3732939).

70925461 is a wasteful number, since it uses less digits than its factorization.

70925461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732938.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70925461 is about 8421.7255357795. The cubic root of 70925461 is about 413.9368169659.

The spelling of 70925461 in words is "seventy million, nine hundred twenty-five thousand, four hundred sixty-one".

Divisors: 1 19 3732919 70925461