Search a number
-
+
1226374997 = 29148728439
BaseRepresentation
bin100100100011000…
…1111111101010101
310011110122022020012
41021012033331111
510002422444442
6321405250005
742251005211
oct11106177525
93143568205
101226374997
1157a290761
122a2863905
131670ca4a3
14b8c37941
15729ea582
hex4918ff55

1226374997 has 8 divisors (see below), whose sum is σ = 1269561600. Its totient is φ = 1183248304.

The previous prime is 1226374987. The next prime is 1226375011. The reversal of 1226374997 is 7994736221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226374997 - 214 = 1226358613 is a prime.

It is a super-3 number, since 3×12263749973 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226374967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28904 + ... + 57342.

It is an arithmetic number, because the mean of its divisors is an integer number (158695200).

Almost surely, 21226374997 is an apocalyptic number.

It is an amenable number.

1226374997 is a deficient number, since it is larger than the sum of its proper divisors (43186603).

1226374997 is a wasteful number, since it uses less digits than its factorization.

1226374997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29955.

The product of its digits is 1143072, while the sum is 50.

The square root of 1226374997 is about 35019.6373053748. The cubic root of 1226374997 is about 1070.3876654521.

The spelling of 1226374997 in words is "one billion, two hundred twenty-six million, three hundred seventy-four thousand, nine hundred ninety-seven".

Divisors: 1 29 1487 28439 43123 824731 42288793 1226374997