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628245607444 = 2271329371608527
BaseRepresentation
bin10010010010001100101…
…10110011010000010100
32020001121111221120201021
421021012112303100110
540243121333414234
61200340111410524
763250340360530
oct11110626632024
92201544846637
10628245607444
1122248a2a3524
12a1912223a44
13473217104b0
142259b6c8bc0
151151e94b9b4
hex92465b3414

628245607444 has 96 divisors (see below), whose sum is σ = 1437637985280. Its totient is φ = 233480765952.

The previous prime is 628245607427. The next prime is 628245607511. The reversal of 628245607444 is 444706542826.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 628245607391 and 628245607400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413692 + ... + 1194835.

It is an arithmetic number, because the mean of its divisors is an integer number (14975395680).

Almost surely, 2628245607444 is an apocalyptic number.

It is an amenable number.

628245607444 is an abundant number, since it is smaller than the sum of its proper divisors (809392377836).

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

628245607444 is a wasteful number, since it uses less digits than its factorization.

628245607444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608617 (or 1608615 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 628245607444 in words is "six hundred twenty-eight billion, two hundred forty-five million, six hundred seven thousand, four hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 29 37 52 58 74 91 116 148 182 203 259 364 377 406 481 518 754 812 962 1036 1073 1508 1924 2146 2639 3367 4292 5278 6734 7511 10556 13468 13949 15022 27898 30044 55796 97643 195286 390572 1608527 3217054 6434108 11259689 20910851 22519378 41821702 45038756 46647283 59515499 83643404 93294566 119030998 146375957 186589132 238061996 292751914 326530981 416608493 585503828 606414679 653061962 773701487 833216986 1212829358 1306123924 1547402974 1666433972 1725949471 2425658716 3094805948 3451898942 4244902753 5415910409 6903797884 8489805506 10831820818 12081646297 16979611012 21663641636 22437343123 24163292594 44874686246 48326585188 89749372492 157061401861 314122803722 628245607444