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250223514420 = 22351117972231031
BaseRepresentation
bin1110100100001001111…
…0111101001100110100
3212220212111200120021010
43221002132331030310
513044424204430140
6310541234152220
724035525531205
oct3510236751464
9786774616233
10250223514420
1197134717a10
12405b3422670
131a79948a149
14c17a3955ac
15679776a880
hex3a427bd334

250223514420 has 384 divisors, whose sum is σ = 822085189632. Its totient is φ = 56195481600.

The previous prime is 250223514413. The next prime is 250223514469. The reversal of 250223514420 is 24415322052.

It is a super-2 number, since 2×2502235144202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 242699305 + ... + 242700335.

It is an arithmetic number, because the mean of its divisors is an integer number (2140846848).

Almost surely, 2250223514420 is an apocalyptic number.

250223514420 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 250223514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411042594816).

250223514420 is an abundant number, since it is smaller than the sum of its proper divisors (571861675212).

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

250223514420 is a wasteful number, since it uses less digits than its factorization.

250223514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 250223514420 its reverse (24415322052), we get a palindrome (274638836472).

The spelling of 250223514420 in words is "two hundred fifty billion, two hundred twenty-three million, five hundred fourteen thousand, four hundred twenty".