[go: up one dir, main page]

Search a number
-
+
254234040 = 23354794423
BaseRepresentation
bin11110010011101…
…00110110111000
3122201101102112120
433021310312320
51010040442130
641121041240
76204645054
oct1711646670
9581342476
10254234040
11120565885
1271186220
1340895958
1425a9cc64
15174bd910
hexf274db8

254234040 has 64 divisors (see below), whose sum is σ = 764467200. Its totient is φ = 67638912.

The previous prime is 254234027. The next prime is 254234077. The reversal of 254234040 is 40432452.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 254234040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55269 + ... + 59691.

It is an arithmetic number, because the mean of its divisors is an integer number (11944800).

Almost surely, 2254234040 is an apocalyptic number.

254234040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254234040 is an abundant number, since it is smaller than the sum of its proper divisors (510233160).

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

254234040 is a wasteful number, since it uses less digits than its factorization.

254234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916 (or 4912 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 254234040 is about 15944.7182477459. The cubic root of 254234040 is about 633.4970054056.

Adding to 254234040 its reverse (40432452), we get a palindrome (294666492).

The spelling of 254234040 in words is "two hundred fifty-four million, two hundred thirty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 479 958 1437 1916 2395 2874 3832 4423 4790 5748 7185 8846 9580 11496 13269 14370 17692 19160 22115 26538 28740 35384 44230 53076 57480 66345 88460 106152 132690 176920 265380 530760 2118617 4237234 6355851 8474468 10593085 12711702 16948936 21186170 25423404 31779255 42372340 50846808 63558510 84744680 127117020 254234040