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229710740 = 22572921951
BaseRepresentation
bin11011011000100…
…01101110010100
3121000020111220012
431230101232110
5432301220430
634443255352
75456336420
oct1554215624
9530214805
10229710740
11108736096
1264b1a558
133878a71c
1422717b80
1515277695
hexdb11b94

229710740 has 72 divisors (see below), whose sum is σ = 571264512. Its totient is φ = 76003200.

The previous prime is 229710737. The next prime is 229710743. The reversal of 229710740 is 47017922.

229710740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229710737) and next prime (229710743).

It is a junction number, because it is equal to n+sod(n) for n = 229710697 and 229710706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229710743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116765 + ... + 118715.

Almost surely, 2229710740 is an apocalyptic number.

229710740 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 229710740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285632256).

229710740 is an abundant number, since it is smaller than the sum of its proper divisors (341553772).

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

229710740 is a wasteful number, since it uses less digits than its factorization.

229710740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 229710740 is about 15156.2112679917. The cubic root of 229710740 is about 612.4356083912.

The spelling of 229710740 in words is "two hundred twenty-nine million, seven hundred ten thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 841 1015 1682 1951 2030 3364 3902 4060 4205 5887 7804 8410 9755 11774 13657 16820 19510 23548 27314 29435 39020 54628 56579 58870 68285 113158 117740 136570 226316 273140 282895 396053 565790 792106 1131580 1584212 1640791 1980265 3281582 3960530 6563164 7921060 8203955 11485537 16407910 22971074 32815820 45942148 57427685 114855370 229710740