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82980770 = 258298077
BaseRepresentation
bin1001111001000…
…10111110100010
312210010212012212
410330202332202
5132220341040
612122322122
72025216305
oct474427642
9183125185
1082980770
1142927754
1223959342
1314265062
14b040b3c
157441d65
hex4f22fa2

82980770 has 8 divisors (see below), whose sum is σ = 149365404. Its totient is φ = 33192304.

The previous prime is 82980713. The next prime is 82980787. The reversal of 82980770 is 7708928.

It can be written as a sum of positive squares in 2 ways, for example, as 82973881 + 6889 = 9109^2 + 83^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4149029 + ... + 4149048.

Almost surely, 282980770 is an apocalyptic number.

82980770 is a deficient number, since it is larger than the sum of its proper divisors (66384634).

82980770 is a wasteful number, since it uses less digits than its factorization.

82980770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298084.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 82980770 is about 9109.3781346478. The cubic root of 82980770 is about 436.1733767447.

The spelling of 82980770 in words is "eighty-two million, nine hundred eighty thousand, seven hundred seventy".

Divisors: 1 2 5 10 8298077 16596154 41490385 82980770