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121570414 = 2779109919
BaseRepresentation
bin1110011111100…
…00010001101110
322110202102020221
413033300101232
5222110223124
620021401554
73004221460
oct717602156
9273672227
10121570414
1162694719
12348692ba
131c256974
1412208130
15aa15ce4
hex73f046e

121570414 has 16 divisors (see below), whose sum is σ = 211046400. Its totient is φ = 51441624.

The previous prime is 121570381. The next prime is 121570439. The reversal of 121570414 is 414075121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53854 + ... + 56065.

It is an arithmetic number, because the mean of its divisors is an integer number (13190400).

Almost surely, 2121570414 is an apocalyptic number.

121570414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121570414 is a deficient number, since it is larger than the sum of its proper divisors (89475986).

121570414 is a wasteful number, since it uses less digits than its factorization.

121570414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110007.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 121570414 is about 11025.8974237928. The cubic root of 121570414 is about 495.3847486532.

The spelling of 121570414 in words is "one hundred twenty-one million, five hundred seventy thousand, four hundred fourteen".

Divisors: 1 2 7 14 79 158 553 1106 109919 219838 769433 1538866 8683601 17367202 60785207 121570414