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234623040 = 2635244399
BaseRepresentation
bin11011111110000…
…01000001000000
3121100111002022020
431333001001000
5440030414130
635140441440
75546156121
oct1577010100
9540432266
10234623040
11110490843
12666a9280
13397ba602
1423236048
15158e7e10
hexdfc1040

234623040 has 56 divisors (see below), whose sum is σ = 744931200. Its totient is φ = 62565888.

The previous prime is 234623017. The next prime is 234623047. The reversal of 234623040 is 40326432.

It is a happy number.

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 234623040.

It is not an unprimeable number, because it can be changed into a prime (234623047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121240 + ... + 123159.

Almost surely, 2234623040 is an apocalyptic number.

234623040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234623040 is an abundant number, since it is smaller than the sum of its proper divisors (510308160).

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

234623040 is a wasteful number, since it uses less digits than its factorization.

234623040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244419 (or 244409 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 234623040 is about 15317.4097026880. The cubic root of 234623040 is about 616.7704420759.

Adding to 234623040 its reverse (40326432), we get a palindrome (274949472).

The spelling of 234623040 in words is "two hundred thirty-four million, six hundred twenty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 244399 488798 733197 977596 1221995 1466394 1955192 2443990 2932788 3665985 3910384 4887980 5865576 7331970 7820768 9775960 11731152 14663940 15641536 19551920 23462304 29327880 39103840 46924608 58655760 78207680 117311520 234623040