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146794477 = 1071371911
BaseRepresentation
bin10001011111111…
…10011111101101
3101020012221011111
420233332133231
5300034410402
622322152021
73431506144
oct1057763755
9336187144
10146794477
1175952955
12411b2611
1324548b4b
14156d275b
15cd499d7
hex8bfe7ed

146794477 has 4 divisors (see below), whose sum is σ = 148166496. Its totient is φ = 145422460.

The previous prime is 146794469. The next prime is 146794481. The reversal of 146794477 is 774497641.

It is a happy number.

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: 774497641 = 1117693373.

It is a cyclic number.

It is not a de Polignac number, because 146794477 - 23 = 146794469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146794477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146794447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685849 + ... + 686062.

It is an arithmetic number, because the mean of its divisors is an integer number (37041624).

Almost surely, 2146794477 is an apocalyptic number.

It is an amenable number.

146794477 is a deficient number, since it is larger than the sum of its proper divisors (1372019).

146794477 is a wasteful number, since it uses less digits than its factorization.

146794477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372018.

The product of its digits is 1185408, while the sum is 49.

The square root of 146794477 is about 12115.8770627636. The cubic root of 146794477 is about 527.5171360755.

The spelling of 146794477 in words is "one hundred forty-six million, seven hundred ninety-four thousand, four hundred seventy-seven".

Divisors: 1 107 1371911 146794477