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121627444 = 22299910139
BaseRepresentation
bin1110011111111…
…10001100110100
322110212022111011
413033332030310
5222114034234
620022522004
73004546651
oct717761464
9273768434
10121627444
1162723554
1234896304
131c276903
1412220c28
15aa27b64
hex73fe334

121627444 has 12 divisors (see below), whose sum is σ = 212940000. Its totient is φ = 60787448.

The previous prime is 121627409. The next prime is 121627459. The reversal of 121627444 is 444726121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6927 + ... + 17065.

It is an arithmetic number, because the mean of its divisors is an integer number (17745000).

Almost surely, 2121627444 is an apocalyptic number.

It is an amenable number.

121627444 is a deficient number, since it is larger than the sum of its proper divisors (91312556).

121627444 is a wasteful number, since it uses less digits than its factorization.

121627444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142 (or 13140 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 121627444 is about 11028.4833046072. The cubic root of 121627444 is about 495.4621999965.

The spelling of 121627444 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, four hundred forty-four".

Divisors: 1 2 4 2999 5998 10139 11996 20278 40556 30406861 60813722 121627444