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4223492 = 2271341283
BaseRepresentation
bin10000000111001000000100
321221120112122
4100013020010
52040122432
6230305112
750620250
oct20071004
97846478
104223492
112425199
1214b8198
13b4b510
147bd260
15586612
hex407204

4223492 has 48 divisors (see below), whose sum is σ = 9351552. Its totient is φ = 1624320.

The previous prime is 4223459. The next prime is 4223501. The reversal of 4223492 is 2943224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a d-powerful number, because it can be written as 43 + 23 + 29 + 39 + 411 + 93 + 213 .

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, 14783 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (194824).

Almost surely, 24223492 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 4223492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4675776).

4223492 is an abundant number, since it is smaller than the sum of its proper divisors (5128060).

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

4223492 is a wasteful number, since it uses less digits than its factorization.

4223492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 346 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 4223492 is about 2055.1136221630. The cubic root of 4223492 is about 161.6431202938.

The spelling of 4223492 in words is "four million, two hundred twenty-three thousand, four hundred ninety-two".

Divisors: 1 2 4 7 13 14 26 28 41 52 82 91 164 182 283 287 364 533 566 574 1066 1132 1148 1981 2132 3679 3731 3962 7358 7462 7924 11603 14716 14924 23206 25753 46412 51506 81221 103012 150839 162442 301678 324884 603356 1055873 2111746 4223492