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1377224056 = 231327747807
BaseRepresentation
bin101001000010110…
…1100010101111000
310112222111020020101
41102011230111320
510310032132211
6344354405144
746062132325
oct12205542570
93488436211
101377224056
116474528aa
123252907b4
1318c4359a0
14d0ca3b4c
1580d965c1
hex5216c578

1377224056 has 32 divisors (see below), whose sum is σ = 2791031040. Its totient is φ = 633333888.

The previous prime is 1377224053. The next prime is 1377224099. The reversal of 1377224056 is 6504227731.

It is a happy number.

It is a super-5 number, since 5×13772240565 (a number of 47 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377224053) 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, 4905 + ... + 52711.

It is an arithmetic number, because the mean of its divisors is an integer number (87219720).

Almost surely, 21377224056 is an apocalyptic number.

It is an amenable number.

1377224056 is an abundant number, since it is smaller than the sum of its proper divisors (1413806984).

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

1377224056 is a wasteful number, since it uses less digits than its factorization.

1377224056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48103 (or 48099 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1377224056 is about 37110.9694834290. The cubic root of 1377224056 is about 1112.5892685343.

It can be divided in two parts, 137722 and 4056, that added together give a triangular number (141778 = T532).

The spelling of 1377224056 in words is "one billion, three hundred seventy-seven million, two hundred twenty-four thousand, fifty-six".

Divisors: 1 2 4 8 13 26 52 104 277 554 1108 2216 3601 7202 14404 28808 47807 95614 191228 382456 621491 1242982 2485964 4971928 13242539 26485078 52970156 105940312 172153007 344306014 688612028 1377224056