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4245340 = 2251123839
BaseRepresentation
bin10000001100011101011100
321222200111211
4100030131130
52041322330
6230554204
751041041
oct20143534
97880454
104245340
11243a650
121508964
13b58448
147c71c8
1558cd2a
hex40c75c

4245340 has 48 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1474880.

The previous prime is 4245337. The next prime is 4245361. The reversal of 4245340 is 435424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 4641 + ... + 5479.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 24245340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

4245340 is an abundant number, since it is smaller than the sum of its proper divisors (5915300).

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

4245340 is a wasteful number, since it uses less digits than its factorization.

4245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4245340 is about 2060.4222868140. The cubic root of 4245340 is about 161.9213660952.

The spelling of 4245340 in words is "four million, two hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 839 1012 1265 1678 2530 3356 4195 5060 8390 9229 16780 18458 19297 36916 38594 46145 77188 92290 96485 184580 192970 212267 385940 424534 849068 1061335 2122670 4245340