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270624980 = 22519712171
BaseRepresentation
bin10000001000010…
…110100011010100
3200212020011200102
4100020112203110
51023234444410
642504233232
76464163053
oct2010264324
9625204612
10270624980
1112984060a
127676b818
13440b4432
1427d2839a
1518b5a2a5
hex102168d4

270624980 has 24 divisors (see below), whose sum is σ = 598224480. Its totient is φ = 102552480.

The previous prime is 270624973. The next prime is 270624983. The reversal of 270624980 is 89426072.

It is a Smith number, since the sum of its digits (38) 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 (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270624983) 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, 355706 + ... + 356465.

It is an arithmetic number, because the mean of its divisors is an integer number (24926020).

Almost surely, 2270624980 is an apocalyptic number.

270624980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270624980 is an abundant number, since it is smaller than the sum of its proper divisors (327599500).

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

270624980 is a wasteful number, since it uses less digits than its factorization.

270624980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712199 (or 712197 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 270624980 is about 16450.6832684846. The cubic root of 270624980 is about 646.8287184948.

The spelling of 270624980 in words is "two hundred seventy million, six hundred twenty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 712171 1424342 2848684 3560855 7121710 13531249 14243420 27062498 54124996 67656245 135312490 270624980