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1464155028 = 22347645571
BaseRepresentation
bin101011101000101…
…0011101110010100
310210001001210010000
41113101103232110
510444310430103
6401141531300
751166053360
oct12721235624
93701053100
101464155028
11691528386
1234a413b30
131a4451a2b
14dc6522a0
1588818aa3
hex57453b94

1464155028 has 60 divisors (see below), whose sum is σ = 4374395872. Its totient is φ = 418329360.

The previous prime is 1464155027. The next prime is 1464155071. The reversal of 1464155028 is 8205514641.

It is a happy number.

1464155028 is a `hidden beast` number, since 1 + 4 + 641 + 5 + 5 + 0 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1464154983 and 1464155001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464155027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320518 + ... + 325053.

Almost surely, 21464155028 is an apocalyptic number.

1464155028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1464155028 is an abundant number, since it is smaller than the sum of its proper divisors (2910240844).

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

1464155028 is a wasteful number, since it uses less digits than its factorization.

1464155028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645594 (or 645583 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1464155028 is about 38264.2787466326. The cubic root of 1464155028 is about 1135.5223527968.

Adding to 1464155028 its reverse (8205514641), we get a palindrome (9669669669).

The spelling of 1464155028 in words is "one billion, four hundred sixty-four million, one hundred fifty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 645571 1291142 1936713 2582284 3873426 4518997 5810139 7746852 9037994 11620278 13556991 17430417 18075988 23240556 27113982 34860834 40670973 52291251 54227964 69721668 81341946 104582502 122012919 162683892 209165004 244025838 366038757 488051676 732077514 1464155028