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258896200 = 23526121221
BaseRepresentation
bin11110110111001…
…11000101001000
3200001011021211011
433123213011020
51012234134300
641405013304
76262403263
oct1733470510
9601137734
10258896200
1112315a602
1272854234
1341838a24
1426553cda
1517adeeba
hexf6e7148

258896200 has 48 divisors (see below), whose sum is σ = 611830260. Its totient is φ = 101856000.

The previous prime is 258896191. The next prime is 258896203. The reversal of 258896200 is 2698852.

It can be written as a sum of positive squares in 6 ways, for example, as 91814724 + 167081476 = 9582^2 + 12926^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (258896203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590 + ... + 22810.

Almost surely, 2258896200 is an apocalyptic number.

258896200 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 258896200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305915130).

258896200 is an abundant number, since it is smaller than the sum of its proper divisors (352934060).

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

258896200 is a wasteful number, since it uses less digits than its factorization.

258896200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21298 (or 21289 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 258896200 is about 16090.2517071673. The cubic root of 258896200 is about 637.3459425250.

The spelling of 258896200 in words is "two hundred fifty-eight million, eight hundred ninety-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 200 244 305 488 610 1220 1525 2440 3050 6100 12200 21221 42442 84884 106105 169768 212210 424420 530525 848840 1061050 1294481 2122100 2588962 4244200 5177924 6472405 10355848 12944810 25889620 32362025 51779240 64724050 129448100 258896200