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121463406 = 23231321559
BaseRepresentation
bin1110011110101…
…10001001101110
322110112222110200
413033112021232
5222043312111
620015214330
73003264501
oct717261156
9273488420
10121463406
1162621289
12348173a6
131c21a04c
14121bb138
15a9e4256
hex73d626e

121463406 has 24 divisors (see below), whose sum is σ = 264023760. Its totient is φ = 40356576.

The previous prime is 121463401. The next prime is 121463413. The reversal of 121463406 is 604364121.

121463406 is a `hidden beast` number, since 1 + 21 + 4 + 634 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121463406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121463401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5146 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (11000990).

Almost surely, 2121463406 is an apocalyptic number.

121463406 is an abundant number, since it is smaller than the sum of its proper divisors (142560354).

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

121463406 is a wasteful number, since it uses less digits than its factorization.

121463406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21880 (or 21877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 121463406 is about 11021.0437799693. The cubic root of 121463406 is about 495.2393577628.

It can be divided in two parts, 1214 and 63406, that added together give a triangular number (64620 = T359).

The spelling of 121463406 in words is "one hundred twenty-one million, four hundred sixty-three thousand, four hundred six".

Divisors: 1 2 3 6 9 18 313 626 939 1878 2817 5634 21559 43118 64677 129354 194031 388062 6747967 13495934 20243901 40487802 60731703 121463406