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374632493 = 1931941101
BaseRepresentation
bin10110010101000…
…111000000101101
3222002221022011112
4112111013000231
51231401214433
6101101401405
712166216004
oct2625070055
9862838145
10374632493
11182519a34
12a5569265
135c7cc041
1437a7dc3b
1522d52348
hex1654702d

374632493 has 4 divisors (see below), whose sum is σ = 376573788. Its totient is φ = 372691200.

The previous prime is 374632483. The next prime is 374632507. The reversal of 374632493 is 394236473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394236473 = 616462893.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 326994889 = 6902^2 + 18083^2 .

It is a cyclic number.

It is not a de Polignac number, because 374632493 - 216 = 374566957 is a prime.

It is a super-2 number, since 2×3746324932 = 280699009622790098, which contains 22 as substring.

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 374632493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374632463) 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, 970358 + ... + 970743.

It is an arithmetic number, because the mean of its divisors is an integer number (94143447).

Almost surely, 2374632493 is an apocalyptic number.

It is an amenable number.

374632493 is a deficient number, since it is larger than the sum of its proper divisors (1941295).

374632493 is a wasteful number, since it uses less digits than its factorization.

374632493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941294.

The product of its digits is 326592, while the sum is 41.

The square root of 374632493 is about 19355.4254151129. The cubic root of 374632493 is about 720.8891362400.

The spelling of 374632493 in words is "three hundred seventy-four million, six hundred thirty-two thousand, four hundred ninety-three".

Divisors: 1 193 1941101 374632493