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2425164420 = 2235711714931
BaseRepresentation
bin1001000010001101…
…0001001010000100
320021000101010011110
42100203101022010
514431320230140
61040351405020
7114045362130
oct22043211204
96230333143
102425164420
111034a3aa18
12578223770
132c8589943
141901303c0
15e2d97380
hex908d1284

2425164420 has 96 divisors (see below), whose sum is σ = 7768728576. Its totient is φ = 553737600.

The previous prime is 2425164419. The next prime is 2425164457. The reversal of 2425164420 is 244615242.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 489355 + ... + 494285.

It is an arithmetic number, because the mean of its divisors is an integer number (80924256).

Almost surely, 22425164420 is an apocalyptic number.

2425164420 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 2425164420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3884364288).

2425164420 is an abundant number, since it is smaller than the sum of its proper divisors (5343564156).

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

2425164420 is a wasteful number, since it uses less digits than its factorization.

2425164420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6119 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2425164420 is about 49245.9584128485. The cubic root of 2425164420 is about 1343.5290543672.

Adding to 2425164420 its reverse (244615242), we get a palindrome (2669779662).

The spelling of 2425164420 in words is "two billion, four hundred twenty-five million, one hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1171 2342 3513 4684 4931 5855 7026 8197 9862 11710 14052 14793 16394 17565 19724 23420 24591 24655 29586 32788 34517 35130 40985 49182 49310 59172 69034 70260 73965 81970 98364 98620 103551 122955 138068 147930 163940 172585 207102 245910 295860 345170 414204 491820 517755 690340 1035510 2071020 5774201 11548402 17322603 23096804 28871005 34645206 40419407 57742010 69290412 80838814 86613015 115484020 121258221 161677628 173226030 202097035 242516442 346452060 404194070 485032884 606291105 808388140 1212582210 2425164420