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121464469 = 717352067
BaseRepresentation
bin1110011110101…
…10011010010101
322110120000221001
413033112122111
5222043330334
620015223301
73003300550
oct717263225
9273500831
10121464469
1162622065
1234817b31
131c21a689
14121bb697
15a9e4714
hex73d6695

121464469 has 4 divisors (see below), whose sum is σ = 138816544. Its totient is φ = 104112396.

The previous prime is 121464461. The next prime is 121464493. The reversal of 121464469 is 964464121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964464121 = 6071588903.

It is a cyclic number.

It is not a de Polignac number, because 121464469 - 23 = 121464461 is a prime.

It is a super-2 number, since 2×1214644692 = 29507234458903922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121464461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8676027 + ... + 8676040.

It is an arithmetic number, because the mean of its divisors is an integer number (34704136).

Almost surely, 2121464469 is an apocalyptic number.

It is an amenable number.

121464469 is a deficient number, since it is larger than the sum of its proper divisors (17352075).

121464469 is an equidigital number, since it uses as much as digits as its factorization.

121464469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352074.

The product of its digits is 41472, while the sum is 37.

The square root of 121464469 is about 11021.0920057860. The cubic root of 121464469 is about 495.2408024720.

The spelling of 121464469 in words is "one hundred twenty-one million, four hundred sixty-four thousand, four hundred sixty-nine".

Divisors: 1 7 17352067 121464469