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230040048 = 2437684643
BaseRepresentation
bin11011011011000…
…10000111110000
3121000212020121210
431231202013300
5432342240143
634454320120
75462210460
oct1555420760
9530766553
10230040048
11108940547
1265059040
1338874594
14227a1ba0
15152e0033
hexdb621f0

230040048 has 40 divisors (see below), whose sum is σ = 679166848. Its totient is φ = 65725632.

The previous prime is 230040037. The next prime is 230040101. The reversal of 230040048 is 840040032.

It is a happy number.

230040048 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341986 + ... + 342657.

Almost surely, 2230040048 is an apocalyptic number.

230040048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230040048 is an abundant number, since it is smaller than the sum of its proper divisors (449126800).

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

230040048 is a wasteful number, since it uses less digits than its factorization.

230040048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684661 (or 684655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 230040048 is about 15167.0711740929. The cubic root of 230040048 is about 612.7281264909.

The spelling of 230040048 in words is "two hundred thirty million, forty thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 684643 1369286 2053929 2738572 4107858 4792501 5477144 8215716 9585002 10954288 14377503 16431432 19170004 28755006 32862864 38340008 57510012 76680016 115020024 230040048