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146790457 = 1118173727
BaseRepresentation
bin10001011111111…
…01100000111001
3101020012201122121
420233331200321
5300034243312
622322121241
73431461342
oct1057754071
9336181577
10146790457
117594a930
12411b0221
1324547078
14156d10c9
15cd48707
hex8bfd839

146790457 has 8 divisors (see below), whose sum is σ = 161021952. Its totient is φ = 132706800.

The previous prime is 146790451. The next prime is 146790467. The reversal of 146790457 is 754097641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146790457 - 211 = 146788409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146790451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34873 + ... + 38854.

It is an arithmetic number, because the mean of its divisors is an integer number (20127744).

Almost surely, 2146790457 is an apocalyptic number.

It is an amenable number.

146790457 is a deficient number, since it is larger than the sum of its proper divisors (14231495).

146790457 is a wasteful number, since it uses less digits than its factorization.

146790457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73919.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 146790457 is about 12115.7111636090. The cubic root of 146790457 is about 527.5123206394.

The spelling of 146790457 in words is "one hundred forty-six million, seven hundred ninety thousand, four hundred fifty-seven".

Divisors: 1 11 181 1991 73727 810997 13344587 146790457