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120401044 = 22231308707
BaseRepresentation
bin1110010110100…
…10110010010100
322101120000011221
413023102302110
5221310313134
615540340124
72661251311
oct713226224
9271500157
10120401044
1161a660a5
12343a4644
131bc3762a
1411dc1d08
15a8845b4
hex72d2c94

120401044 has 12 divisors (see below), whose sum is σ = 219862944. Its totient is φ = 57583064.

The previous prime is 120401041. The next prime is 120401053. The reversal of 120401044 is 440104021.

It is a super-2 number, since 2×1204010442 = 28992822792579872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120401041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654262 + ... + 654445.

It is an arithmetic number, because the mean of its divisors is an integer number (18321912).

Almost surely, 2120401044 is an apocalyptic number.

It is an amenable number.

120401044 is a deficient number, since it is larger than the sum of its proper divisors (99461900).

120401044 is a wasteful number, since it uses less digits than its factorization.

120401044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308734 (or 1308732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120401044 is about 10972.7409520138. The cubic root of 120401044 is about 493.7912814066.

Adding to 120401044 its reverse (440104021), we get a palindrome (560505065).

The spelling of 120401044 in words is "one hundred twenty million, four hundred one thousand, forty-four".

Divisors: 1 2 4 23 46 92 1308707 2617414 5234828 30100261 60200522 120401044