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450380975 = 52117920731
BaseRepresentation
bin11010110110000…
…100010010101111
31011101110201112212
4122312010102233
51410244142400
6112405121035
714106114032
oct3266042257
91141421485
10450380975
11211256990
121069b917b
1372401225
1443b5b019
1529816335
hex1ad844af

450380975 has 24 divisors (see below), whose sum is σ = 616984320. Its totient is φ = 323388000.

The previous prime is 450380969. The next prime is 450381007. The reversal of 450380975 is 579083054.

It is not a de Polignac number, because 450380975 - 212 = 450376879 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11360 + ... + 32090.

It is an arithmetic number, because the mean of its divisors is an integer number (25707680).

Almost surely, 2450380975 is an apocalyptic number.

450380975 is a deficient number, since it is larger than the sum of its proper divisors (166603345).

450380975 is a wasteful number, since it uses less digits than its factorization.

450380975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831 (or 20826 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 450380975 is about 21222.1812026945. The cubic root of 450380975 is about 766.5256267542.

The spelling of 450380975 in words is "four hundred fifty million, three hundred eighty thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 79 275 395 869 1975 4345 20731 21725 103655 228041 518275 1140205 1637749 5701025 8188745 18015239 40943725 90076195 450380975