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121305414 = 2373276953
BaseRepresentation
bin1110011101011…
…11100101000110
322110020221202010
413032233211012
5222023233124
620011555050
73002036046
oct716574506
9273227663
10121305414
116252360a
123475ba86
131c193169
1412179726
15a9b2529
hex73af946

121305414 has 16 divisors (see below), whose sum is σ = 245935152. Its totient is φ = 39881088.

The previous prime is 121305409. The next prime is 121305461. The reversal of 121305414 is 414503121.

It is a super-2 number, since 2×1213054142 = 29430006931422792, which contains 22 as substring.

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, 138039 + ... + 138914.

It is an arithmetic number, because the mean of its divisors is an integer number (15370947).

Almost surely, 2121305414 is an apocalyptic number.

121305414 is an abundant number, since it is smaller than the sum of its proper divisors (124629738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121305414 is a wasteful number, since it uses less digits than its factorization.

121305414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277031.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121305414 is about 11013.8737054680. The cubic root of 121305414 is about 495.0245391365.

Adding to 121305414 its reverse (414503121), we get a palindrome (535808535).

The spelling of 121305414 in words is "one hundred twenty-one million, three hundred five thousand, four hundred fourteen".

Divisors: 1 2 3 6 73 146 219 438 276953 553906 830859 1661718 20217569 40435138 60652707 121305414