Search a number
-
+
302742252 = 22332996661
BaseRepresentation
bin10010000010110…
…111101011101100
3210002122220022000
4102002313223230
51110000223002
650012452300
710334160321
oct2202675354
9702586260
10302742252
1114598780a
128547a090
134a94b037
142c2c8b48
151b8a161c
hex120b7aec

302742252 has 48 divisors (see below), whose sum is σ = 811960800. Its totient is φ = 97433280.

The previous prime is 302742241. The next prime is 302742263. The reversal of 302742252 is 252247203.

It is an interprime number because it is at equal distance from previous prime (302742241) and next prime (302742263).

It is a super-2 number, since 2×3027422522 = 183305742292063008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45199 + ... + 51462.

It is an arithmetic number, because the mean of its divisors is an integer number (16915850).

Almost surely, 2302742252 is an apocalyptic number.

It is an amenable number.

302742252 is an abundant number, since it is smaller than the sum of its proper divisors (509218548).

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

302742252 is a wasteful number, since it uses less digits than its factorization.

302742252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96703 (or 96695 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 302742252 is about 17399.4899925256. The cubic root of 302742252 is about 671.4664930101.

Adding to 302742252 its reverse (252247203), we get a palindrome (554989455).

The spelling of 302742252 in words is "three hundred two million, seven hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 87 108 116 174 261 348 522 783 1044 1566 3132 96661 193322 289983 386644 579966 869949 1159932 1739898 2609847 2803169 3479796 5219694 5606338 8409507 10439388 11212676 16819014 25228521 33638028 50457042 75685563 100914084 151371126 302742252