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268620270 = 23531288839
BaseRepresentation
bin10000000000101…
…101000111101110
3200201110022201220
4100000231013232
51022231322040
642353244210
76441143322
oct2000550756
9621408656
10268620270
111286a1426
1275b63666
1343861b09
1427965982
15188b12d0
hex1002d1ee

268620270 has 32 divisors (see below), whose sum is σ = 665487360. Its totient is φ = 69321120.

The previous prime is 268620263. The next prime is 268620277. The reversal of 268620270 is 72026862.

It is an interprime number because it is at equal distance from previous prime (268620263) and next prime (268620277).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268620277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143490 + ... + 145349.

It is an arithmetic number, because the mean of its divisors is an integer number (20796480).

Almost surely, 2268620270 is an apocalyptic number.

268620270 is an abundant number, since it is smaller than the sum of its proper divisors (396867090).

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

268620270 is a wasteful number, since it uses less digits than its factorization.

268620270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288880.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 268620270 is about 16389.6391052396. The cubic root of 268620270 is about 645.2275862940.

The spelling of 268620270 in words is "two hundred sixty-eight million, six hundred twenty thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 288839 577678 866517 1444195 1733034 2888390 4332585 8665170 8954009 17908018 26862027 44770045 53724054 89540090 134310135 268620270