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121070472 = 23326319181
BaseRepresentation
bin1110011011101…
…10001110001000
322102211000110120
413031312032020
5221443223342
620002543240
73000040065
oct715661610
9272730416
10121070472
1162383046
1234667b20
131c110243
1412117c6c
15a967aec
hex7376388

121070472 has 32 divisors (see below), whose sum is σ = 303842880. Its totient is φ = 40201280.

The previous prime is 121070471. The next prime is 121070473. The reversal of 121070472 is 274070121.

It is an interprime number because it is at equal distance from previous prime (121070471) and next prime (121070473).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121070471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279 + ... + 15902.

It is an arithmetic number, because the mean of its divisors is an integer number (9495090).

Almost surely, 2121070472 is an apocalyptic number.

121070472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121070472 is an abundant number, since it is smaller than the sum of its proper divisors (182772408).

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

121070472 is a wasteful number, since it uses less digits than its factorization.

121070472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19453 (or 19449 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 121070472 is about 11003.2028064559. The cubic root of 121070472 is about 494.7047479137.

The spelling of 121070472 in words is "one hundred twenty-one million, seventy thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 263 526 789 1052 1578 2104 3156 6312 19181 38362 57543 76724 115086 153448 230172 460344 5044603 10089206 15133809 20178412 30267618 40356824 60535236 121070472