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1400423025 = 352171957809
BaseRepresentation
bin101001101111000…
…1100001001110001
310121121010212020110
41103132030021301
510332002014100
6350543531533
746463253651
oct12336141161
93547125213
101400423025
11659558601
12330bb9ba9
131941991a1
14d3dc2361
1582e2a250
hex5378c271

1400423025 has 48 divisors (see below), whose sum is σ = 2580638400. Its totient is φ = 665948160.

The previous prime is 1400422973. The next prime is 1400423029. The reversal of 1400423025 is 5203240041.

It is not a de Polignac number, because 1400423025 - 213 = 1400414833 is a prime.

It is a super-2 number, since 2×14004230252 = 3922369297900301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400422992 and 1400423010.

It is not an unprimeable number, because it can be changed into a prime (1400423029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4680 + ... + 53129.

It is an arithmetic number, because the mean of its divisors is an integer number (53763300).

Almost surely, 21400423025 is an apocalyptic number.

1400423025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400423025 is a deficient number, since it is larger than the sum of its proper divisors (1180215375).

1400423025 is a wasteful number, since it uses less digits than its factorization.

1400423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57858 (or 57853 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1400423025 is about 37422.2263501251. The cubic root of 1400423025 is about 1118.8016053513.

Adding to 1400423025 its reverse (5203240041), we get a palindrome (6603663066).

The spelling of 1400423025 in words is "one billion, four hundred million, four hundred twenty-three thousand, twenty-five".

Divisors: 1 3 5 15 17 19 25 51 57 75 85 95 255 285 323 425 475 969 1275 1425 1615 4845 8075 24225 57809 173427 289045 867135 982753 1098371 1445225 2948259 3295113 4335675 4913765 5491855 14741295 16475565 18672307 24568825 27459275 56016921 73706475 82377825 93361535 280084605 466807675 1400423025