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23534280240 = 243598059501
BaseRepresentation
bin10101111010110000…
…001001111000110000
32020202010220022021220
4111322300021320300
5341144233431430
614451141145040
71462126036632
oct257260117060
966663808256
1023534280240
119a87540089
1246896bb180
1322b0987513
1411d3848a52
1592b19a110
hex57ac09e30

23534280240 has 40 divisors (see below), whose sum is σ = 72956269488. Its totient is φ = 6275808000.

The previous prime is 23534280227. The next prime is 23534280241. The reversal of 23534280240 is 4208243532.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (23534280241) 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, 49029511 + ... + 49029990.

Almost surely, 223534280240 is an apocalyptic number.

23534280240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534280240 is an abundant number, since it is smaller than the sum of its proper divisors (49421989248).

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

23534280240 is a wasteful number, since it uses less digits than its factorization.

23534280240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98059517 (or 98059511 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 23534280240 in words is "twenty-three billion, five hundred thirty-four million, two hundred eighty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 98059501 196119002 294178503 392238004 490297505 588357006 784476008 980595010 1176714012 1470892515 1568952016 1961190020 2353428024 2941785030 3922380040 4706856048 5883570060 7844760080 11767140120 23534280240