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121040450 = 252191031237
BaseRepresentation
bin1110011011011…
…10111001000010
322102202111021122
413031232321002
5221441243300
620002152242
72666553416
oct715567102
9272674248
10121040450
1162362533
1234652682
131c0cc68b
141210ad46
15a95dc85
hex736ee42

121040450 has 48 divisors (see below), whose sum is σ = 239478720. Its totient is φ = 45385920.

The previous prime is 121040449. The next prime is 121040533. The reversal of 121040450 is 54040121.

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, 97232 + ... + 98468.

It is an arithmetic number, because the mean of its divisors is an integer number (4989140).

Almost surely, 2121040450 is an apocalyptic number.

121040450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121040450 is a deficient number, since it is larger than the sum of its proper divisors (118438270).

121040450 is a wasteful number, since it uses less digits than its factorization.

121040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121040450 is about 11001.8384827264. The cubic root of 121040450 is about 494.6638536767.

Adding to 121040450 its reverse (54040121), we get a palindrome (175080571).

The spelling of 121040450 in words is "one hundred twenty-one million, forty thousand, four hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 103 190 206 475 515 950 1030 1237 1957 2474 2575 3914 5150 6185 9785 12370 19570 23503 30925 47006 48925 61850 97850 117515 127411 235030 254822 587575 637055 1175150 1274110 2420809 3185275 4841618 6370550 12104045 24208090 60520225 121040450