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70025241 = 3113131971
BaseRepresentation
bin1000010110010…
…00000000011001
311212202122120110
410023020000121
5120411301431
610540514533
71510130136
oct413100031
9155678513
1070025241
1136589000
121b54ba49
131167a170
14942b58d
156233346
hex42c8019

70025241 has 64 divisors (see below), whose sum is σ = 118056960. Its totient is φ = 36590400.

The previous prime is 70025213. The next prime is 70025269. The reversal of 70025241 is 14252007.

It is an interprime number because it is at equal distance from previous prime (70025213) and next prime (70025269).

It is not a de Polignac number, because 70025241 - 25 = 70025209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70025141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 986236 + ... + 986306.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 270025241 is an apocalyptic number.

70025241 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70025241 is a deficient number, since it is larger than the sum of its proper divisors (48031719).

70025241 is a wasteful number, since it uses less digits than its factorization.

70025241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 70025241 is about 8368.1085676514. The cubic root of 70025241 is about 412.1780599149.

Adding to 70025241 its reverse (14252007), we get a palindrome (84277248).

The spelling of 70025241 in words is "seventy million, twenty-five thousand, two hundred forty-one".

Divisors: 1 3 11 13 19 33 39 57 71 121 143 209 213 247 363 429 627 741 781 923 1331 1349 1573 2299 2343 2717 2769 3993 4047 4719 6897 8151 8591 10153 14839 17303 17537 25289 25773 29887 30459 44517 51909 52611 75867 89661 94501 111683 163229 192907 283503 328757 335049 489687 578721 986271 1228513 1795519 2121977 3685539 5386557 6365931 23341747 70025241