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1225070664 = 233291760159
BaseRepresentation
bin100100100000101…
…0001100001001000
310011101012001000120
41021001101201020
510002104230124
6321321303240
742233633406
oct11101214110
93141161016
101225070664
1157957a7a4
122a2334b20
13166a618ac
14b89b8476
157283dd79
hex49051848

1225070664 has 32 divisors (see below), whose sum is σ = 3168288000. Its totient is φ = 394275392.

The previous prime is 1225070663. The next prime is 1225070681. The reversal of 1225070664 is 4660705221.

It is not an unprimeable number, because it can be changed into a prime (1225070663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879384 + ... + 880775.

It is an arithmetic number, because the mean of its divisors is an integer number (99009000).

Almost surely, 21225070664 is an apocalyptic number.

It is an amenable number.

1225070664 is an abundant number, since it is smaller than the sum of its proper divisors (1943217336).

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

1225070664 is a wasteful number, since it uses less digits than its factorization.

1225070664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760197 (or 1760193 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1225070664 is about 35001.0094711567. The cubic root of 1225070664 is about 1070.0080542090.

Adding to 1225070664 its reverse (4660705221), we get a palindrome (5885775885).

The spelling of 1225070664 in words is "one billion, two hundred twenty-five million, seventy thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 1760159 3520318 5280477 7040636 10560954 14081272 21121908 42243816 51044611 102089222 153133833 204178444 306267666 408356888 612535332 1225070664