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275025240 = 23335725197
BaseRepresentation
bin10000011001001…
…000110101011000
3201011111201201000
4100121020311120
51030401301430
643142425000
76546450600
oct2031106530
9634451630
10275025240
11131276596
1278132160
1344c95239
1428751c00
1519228e60
hex10648d58

275025240 has 192 divisors, whose sum is σ = 1066629600. Its totient is φ = 62850816.

The previous prime is 275025239. The next prime is 275025251. The reversal of 275025240 is 42520572.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 50322 + ... + 55518.

Almost surely, 2275025240 is an apocalyptic number.

275025240 is a gapful number since it is divisible by the number (20) 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 275025240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533314800).

275025240 is an abundant number, since it is smaller than the sum of its proper divisors (791604360).

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

275025240 is a wasteful number, since it uses less digits than its factorization.

275025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 275025240 is about 16583.8849489497. The cubic root of 275025240 is about 650.3156179250.

The spelling of 275025240 in words is "two hundred seventy-five million, twenty-five thousand, two hundred forty".