| Base | Representation |
|---|---|
| bin | 10010101101101… |
| … | …00011101010100 |
| 3 | 101221101020221020 |
| 4 | 21112310131110 |
| 5 | 310141230410 |
| 6 | 23324321140 |
| 7 | 3614165556 |
| oct | 1126643524 |
| 9 | 357336836 |
| 10 | 156976980 |
| 11 | 80678146 |
| 12 | 446a31b0 |
| 13 | 266a27b4 |
| 14 | 16bc34d6 |
| 15 | dbaba70 |
| hex | 95b4754 |
156976980 has 96 divisors (see below), whose sum is σ = 472542336. Its totient is φ = 38793216.
The previous prime is 156976969. The next prime is 156976991. The reversal of 156976980 is 89679651.
156976980 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (156976969) and next prime (156976991).
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67192 + ... + 69488.
It is an arithmetic number, because the mean of its divisors is an integer number (4922316).
Almost surely, 2156976980 is an apocalyptic number.
156976980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156976980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236271168).
156976980 is an abundant number, since it is smaller than the sum of its proper divisors (315565356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156976980 is a wasteful number, since it uses less digits than its factorization.
156976980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2393 (or 2391 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 51.
The square root of 156976980 is about 12529.0454544630. The cubic root of 156976980 is about 539.4427035145.
The spelling of 156976980 in words is "one hundred fifty-six million, nine hundred seventy-six thousand, nine hundred eighty".
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