| Base | Representation |
|---|---|
| bin | 10000100010100… |
| … | …11000101111000 |
| 3 | 100200002100110220 |
| 4 | 20101103011320 |
| 5 | 241010034001 |
| 6 | 21433540040 |
| 7 | 3303242610 |
| oct | 1021230570 |
| 9 | 320070426 |
| 10 | 138752376 |
| 11 | 7135a794 |
| 12 | 3a574620 |
| 13 | 229914c9 |
| 14 | 145dba40 |
| 15 | c2abc36 |
| hex | 8453178 |
138752376 has 128 divisors (see below), whose sum is σ = 418176000. Its totient is φ = 37509120.
The previous prime is 138752371. The next prime is 138752381. The reversal of 138752376 is 673257831.
It is an interprime number because it is at equal distance from previous prime (138752371) and next prime (138752381).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138752371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575616 + ... + 575856.
It is an arithmetic number, because the mean of its divisors is an integer number (3267000).
Almost surely, 2138752376 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 138752376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209088000).
138752376 is an abundant number, since it is smaller than the sum of its proper divisors (279423624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138752376 is a wasteful number, since it uses less digits than its factorization.
138752376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429 (or 425 counting only the distinct ones).
The product of its digits is 211680, while the sum is 42.
The square root of 138752376 is about 11779.3198445411. The cubic root of 138752376 is about 517.7023577915.
It can be divided in two parts, 138752 and 376, that added together give a triangular number (139128 = T527).
The spelling of 138752376 in words is "one hundred thirty-eight million, seven hundred fifty-two thousand, three hundred seventy-six".
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